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s298685671
p00150
C
#include<stdio.h> const int MAX_V = 10000; int prime[MAX_V]; int main(){ int i, k, n =10, cnt = 0; int border[10]; for( i = 2; i <= MAX_V; i++) { prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++){ if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i){ prime[k] = 0; } } } int difference[MAX_V+1]; int idx = 2; for( i = 2; i < MAX_V; i++){ if(prime[i] == 1){ difference[i] = i - idx; idx = i; } } for( i = 0; i < n; i++){ scanf("%d", &border[i]); if(border[i] == 0) break; cnt++; } int max[10] = {0}; for( i = 0; i < cnt; i++){ for( k = 2; k <= border[i]; k++){ if( difference[k] == 2 && k > max[i]){ max[i] = k; } } printf("%d %d\n", max[i] - 2, max[i]); } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V]; | ^~~~~
s504337430
p00150
C
#include <iostream> using namespace std; int main(){ bool numbers[10001]; for(int i=0; i<10001; i++) { numbers[i] = false; } numbers[2] = true; numbers[3] = true; for(int i=5; i<10001; i+=2) { if(i % 3 != 0) numbers[i] = true; } int p = 5; int num = 0; while(true) { while(true) { if(numbers[p]) break ; p++; } for(int i=10000; i>0; i--) { if(!numbers[i]) { num = i; break ; } } if(p*p > num) break ; for(int i=p+1; i<10001; i++) { if(i % p == 0) numbers[i] = false; } p++; } int n; while(cin >> n, n != 0) { for( ; n>=5; n--) { if(numbers[n] && numbers[n-2]) { cout << n - 2 << " " << n << endl; break ; } } } return 0; }
main.c:1:10: fatal error: iostream: No such file or directory 1 | #include <iostream> | ^~~~~~~~~~ compilation terminated.
s775107454
p00150
C
#include<stdio.h> const int MAX_V = 10000; int main(){ int i, k, n =10, cnt = 0, idx = 2; int prime[MAX_V+1]; int border[10]; int maxprime[10] = {0}; int difference[MAX_V+1]; for( i = 2; i <= MAX_V; i++) { prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++){ if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i){ prime[k] = 0; } } } for( i = 2; i < MAX_V; i++){ if(prime[i] == 1){ difference[i] = i - idx; idx = i; } } for( i = 0; i < n; i++){ scanf("%d", &border[i]); if( border[i] <5 || border[i] if(border[i] == 0) break; cnt++; } for( i = 0; i < cnt; i++){ for( k = 2; k <= border[i]; k++){ if( difference[k] == 2 && k > maxprime[i]){ maxprime[i] = k; } } printf("%d %d\n", maxprime[i] - 2, maxprime[i]); } return 0; }
main.c: In function 'main': main.c:27:46: error: expected ')' before 'if' 27 | if( border[i] <5 || border[i] | ~ ^ | ) 28 | if(border[i] == 0) break; | ~~ main.c:30:9: error: expected expression before '}' token 30 | } | ^
s152951769
p00150
C
#include <stdio.h> const int MAX_V = 1000000; int prime[MAX_V+1]; int main(){ int i,k,v; for(i = 2; i <= MAX_V; i++){ prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++){ if(prime[i]){ for(k = 2*i; k <= MAX_V; k += i){ prime[k] = 0; } } } while(1){ scanf("%d", &v); for(i = v; i > 1; i--){ if(prime[i] == 1 && prime[i-2] == 1){ printf("%d %d\n", i-2, i); break; } } if(v == 0 || v == 1)break; } return 0; }
main.c:6:5: error: variably modified 'prime' at file scope 6 | int prime[MAX_V+1]; | ^~~~~
s533426519
p00150
C
#include <stdio.h> const int MAX_V = 10000; int prime[MAX_V+1]; int main(){ int i,k,v,n,j,i1 = 0,i2 = 0,max = 0,p1,q1; for(i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(i = 2;i*i <= MAX_V;i++){ if(prime[i]){ for(k = 2 * i;k <= MAX_V;k += i){ prime[k] = 0; } } } while(1){ scanf("%d",&n); if(n == 0){ break; } for(j = 0;j + 2 < n;j++){ int isprime = prime[j]; int isprime2 = prime[j + 2]; if(isprime) i1 = 1;else i1 = 0; if(isprime2) i2 = 1;else i2 = 0; if(i1 == 1 && i2 == 1){ max = j; } } p1 = max; q1 = max + 2; printf("%d %d\n",p1,q1); } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s445020513
p00150
C
#include <stdio.h> int isprime(int n){ for(int i=2;i<n;i++){ if(n%i==0){ return 0; } else { return 1; } } } int main(){ int p1=0,q1=0,n,i,prime[1000000],x=0,y=0; for(i=3;i<1000000;i++){ prime[i]=isprime(i); } while(1){ scanf("%d",&n); if(n==0){ break; } for(i=n;i>=3;i--;){ if(data[i]==1&&data[i-2]==1){ printf("%d %d\n",i-2,i); break; } } } return 0; }
main.c: In function 'main': main.c:22:33: error: expected ')' before ';' token 22 | for(i=n;i>=3;i--;){ | ~ ^ | ) main.c:23:28: error: 'data' undeclared (first use in this function) 23 | if(data[i]==1&&data[i-2]==1){ | ^~~~ main.c:23:28: note: each undeclared identifier is reported only once for each function it appears in
s298177947
p00150
C
#include <stdio.h> int isprime(int n){ for(int i=2;i<n;i++){ if(n%i==0){ return 0; } else { return 1; } } } int main(){ int n,i,prime[1000000]; for(i=3;i<1000000;i++){ prime[i]=isprime(i); } while(1){ scanf("%d",&n); if(n==0){ break; } for(i=n;i>=3;i--;){ if(prime[i]==1&&prime[i-2]==1){ printf("%d %d\n",i-2,i); break; } } } return 0; }
main.c: In function 'main': main.c:22:33: error: expected ')' before ';' token 22 | for(i=n;i>=3;i--;){ | ~ ^ | )
s704344415
p00150
C
#include <stdio.h> int isprime(int n){ for(int i=2;i*i<=n;i++){ if(n%i==0) return 0; } return 1; } int main(){ int n,i,prime[10000]; while(1){ scanf("%d",&n); if(n==0){ break; } for(i=n;i>=5;i--){ if(isprime[i]==1&&isprime[i-2]==1){ printf("%d %d\n",i-2,i); break; } } } return 0; }
main.c: In function 'main': main.c:18:35: error: subscripted value is neither array nor pointer nor vector 18 | if(isprime[i]==1&&isprime[i-2]==1){ | ^ main.c:18:50: error: subscripted value is neither array nor pointer nor vector 18 | if(isprime[i]==1&&isprime[i-2]==1){ | ^
s775107209
p00150
C
#include <stdio.h> const int MAX_V = 10000; int p[MAX_V + 1]; int main(void) { int i, k, v,n; for (i = 2; i <= MAX_V; i++){ p[i] = 1; } for (i = 2; i*i <= MAX_V; i++){ if (p[i]){ for (k = 2 * i; k <= MAX_V; k += i){ p[k] = 0; } } } while (1){ scanf("%d", &n); if (n == 0) break; for (i = n; i >1; i--){ if (p[i] * p[i - 2] == 1) break; } if (n >= 5) printf("%d %d\n", i - 2, i); } }
main.c:4:5: error: variably modified 'p' at file scope 4 | int p[MAX_V + 1]; | ^
s605532857
p00150
C
#include <stdio.h> const int MAX_V = 10000; int p[MAX_V + 1]; int main(void) { int i, k, v,n; for (i = 0; i <= MAX_V; i++){ p[i] = 1; } for (i = 2; i*i <= MAX_V; i++){ if (p[i]){ for (k = 2 * i; k <= MAX_V; k += i){ p[k] = 0; } } } while (1){ scanf("%d", &n); if (n == 0) break; for (i = n; i >1; i--){ if (p[i] * p[i - 2] == 1) break; } if (n >= 5) printf("%d %d\n", i - 2, i); } }
main.c:4:5: error: variably modified 'p' at file scope 4 | int p[MAX_V + 1]; | ^
s545626814
p00150
C
#include <stdio.h> int p[10001]; int main(void) { unsigned i,k, n; for (i = 0; i < 10000; i++){ prime[i] = 1; } prime[0] = 0; for (i = 2; i*i <= 10000; i++) { if (p[i] == 1) { for (k = 2*i; k <=10000 ; k += i){ p[k] = 0; } } } while(1){ scanf("%d" , &n); if(n == 0) break; for(i = n ; i > 1;i--){ if(p[i]*p[i -2] ==1) break; } if(n >= 5) printf("%d %d\n",i-2.i); } return 0; }
main.c: In function 'main': main.c:11:17: error: 'prime' undeclared (first use in this function) 11 | prime[i] = 1; | ^~~~~ main.c:11:17: note: each undeclared identifier is reported only once for each function it appears in
s471360728
p00150
C
#include <stdio.h> int p[10001]; int main(void) { unsigned i,k, n; for (i = 0; i < 10000; i++){ p[i] = 1; } prime[0] = 0; for (i = 2; i*i <= 10000; i++) { if (p[i] == 1) { for (k = 2*i; k <=10000 ; k += i){ p[k] = 0; } } } while(1){ scanf("%d" , &n); if(n == 0) break; for(i = n ; i > 1;i--){ if(p[i]*p[i -2] ==1) break; } if(n >= 5) printf("%d %d\n",i-2.i); } return 0; }
main.c: In function 'main': main.c:13:9: error: 'prime' undeclared (first use in this function) 13 | prime[0] = 0; | ^~~~~ main.c:13:9: note: each undeclared identifier is reported only once for each function it appears in
s222937339
p00150
C
#include <stdio.h> const int MAX_V = 1000000; int p[MAX_V+1]; int main(){ int i,k,v,a=0,b=0; for(i = 2;i<=MAX_V;i++){ p[i] = 1; } for(i = 0;i*i<=MAX_V;i++){ if(p[i]){ for(k = 2*i;k<=MAX_V;k +=i){ p[k] = 0; } } } while(1) { scanf("%d", &v); for( i = 1; i <= v; i++) { if(p[i] == 1 && p[i - 2] == 1){ a = i - 2; b = i; } } printf("%d %d\n",a,b); } return 0; }
main.c:4:5: error: variably modified 'p' at file scope 4 | int p[MAX_V+1]; | ^
s743021233
p00150
C
#include <stdio.h> const int MAX_V = 1000000; int p[MAX_V+1]; int main(){ int i,k,v,a=0,b=0; for(i = 2;i<=MAX_V;i++){ p[i] = 1; } for(i = 0;i*i<=MAX_V;i++){ if(p[i]){ for(k = 2*i;k<=MAX_V;k +=i){ p[k] = 0; } } } while(1) { scanf("%d", &v); if(v == 0){ printf("end"); break; } for( i = 1; i <= v; i++) { if(p[i] == 1 && p[i - 2] == 1){ a = i - 2; b = i; } } printf("%d %d\n",a,b); } return 0; }
main.c:4:5: error: variably modified 'p' at file scope 4 | int p[MAX_V+1]; | ^
s619217701
p00150
C
#include <stdio.h> const int MAX_V = 1000000; int p[MAX_V+1]; int main(){ int i,k,v,a = 0,b = 0; for(i = 2;i<=MAX_V;i++){ p[i] = 1; } for(i = 0;i*i<=MAX_V;i++){ if(p[i]){ for(k = 2*i;k<=MAX_V;k +=i){ p[k] = 0; } } } while(1) { scanf("%d", &v); for( i = 1; i <= v; i++) { if(p[i] == 1 && p[i - 2] == 1){ a = i - 2; b = i; } } printf("%d %d\n",a,b); } return 0; }
main.c:4:5: error: variably modified 'p' at file scope 4 | int p[MAX_V+1]; | ^
s132260793
p00150
C
#include <stdio.h> const int MAX_V = 1000000; int p[MAX_V+1]; int main(){ int i,k,v,a = 0,b = 0; for(i = 2;i<=MAX_V;i++){ p[i] = 1; } for(i = 0;i*i<=MAX_V;i++){ if(p[i]){ for(k = 2*i;k<=MAX_V;k +=i){ p[k] = 0; } } } while(1) { scanf("%d", &v); if(v == 0) break; for( i = 1; i <= v; i++) { if(p[i] == 1 && p[i - 2] == 1){ a = i - 2; b = i; } } printf("%d %d\n",a,b); } return 0; }
main.c:4:5: error: variably modified 'p' at file scope 4 | int p[MAX_V+1]; | ^
s069215602
p00150
C
#include <stdio.h> const int MAX_V = 1000000; int p[MAX_V+1]; int main(){ int i,k; for(i = 2;i<=MAX_V;i++){ p[i] = 1; } for(i = 0;i*i<=MAX_V;i++){ if(p[i]){ for(k = 2*i;k<=MAX_V;k +=i){ p[k] = 0; } } } while(1) { int j,v,a = 0,b = 0; scanf("%d", &v); if(v == 0) break; for(j = 1; j <= v; j++) { if(p[j] == 1 && p[j - 2] == 1){ a = j - 2; b = j; } } printf("%d %d\n",a,b); } return 0; }
main.c:4:5: error: variably modified 'p' at file scope 4 | int p[MAX_V+1]; | ^
s169344438
p00150
C
#include <math.h> int prime(int n) { int i1, sw, m; m = (int)sqrt((double)n); sw = (n <= 1) ? 0 : 1; for (i1 = 2; i1 <= m && sw > 0; i1++) { if (n%i1 == 0) sw = 0; } return sw; }
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start': (.text+0x17): undefined reference to `main' /usr/bin/ld: /tmp/cchN72UT.o: in function `prime': main.c:(.text+0x1f): undefined reference to `sqrt' collect2: error: ld returned 1 exit status
s031119925
p00150
C
#include <stdio.h> int main() { int n,i,j,ans,so[10000],k=0,futa[2],akito; while(1)//??????????????? { scanf("%d",&n);//??\??? if(n==0) { break; } for(i=n;i>1;i--)//n??????2?????§?????° { for(j=i-1;j>0;j--)//i??????1?????§?????° { ans=i%j;//????????? if(j==1)//???????????§??\????????±??? { so[k]=i; k++; } if(ans==0)//????????????0?????? break; } } for(i=0;i<k;i++) { akito=so[i]-so[i+1];//?´???°??¨?´???°?????? if(akito==2)//??????2?????£?????? { futa[0]=so[i+1];//?´???°????°????????????? futa[1]=so[i];//?´???°?????§???????????? break; } } printf("%d %d\n",sou[0],sou[1]);//?????? k=0;//???????????? } return 0; }
main.c: In function 'main': main.c:36:42: error: 'sou' undeclared (first use in this function); did you mean 'so'? 36 | printf("%d %d\n",sou[0],sou[1]);//?????? | ^~~ | so main.c:36:42: note: each undeclared identifier is reported only once for each function it appears in
s981712840
p00150
C
#include <stdio.h> const int MAX_V = 1000000; int prime[MAX_V+1]; int main() { int i, k, v,a=0,n; for(i = 2; i <= MAX_V; i++) { prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; } } } while(1){ scanf("%d",&n); if(n==0)break; for(i=0;i<=n-2;i++){ int isprime = prime[i]; int isprimex = prime[i+2]; if(isprime && isprimex){ if(a<i)a=i; } } printf("%d %d\n",a,a+2); } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s339757906
p00150
C
#include<stdio.h> const int MAX_V = 1000000; // 100???????????? ?´???°??¨????????? int prime[MAX_V+1]; // 1???????´???°???0???????´???°?????? ?????? int isprime(int n) { int i, k, v; for(i = 2; i <= MAX_V; i++) { prime[i] = 1; // 2??\??? ?´???°??¨?????? } for(i = 2; i*i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; // ?´???° 2?????\??? ?????° ?´???°?????? ?????? } } } int isprime = prime[n]; if(isprime) return 1; else return 0; } int main(void) { int n,i,t=0,MAX=0; while(1) { scanf("%d",&n); // if(isprime(n))printf("OK"); if(n==0) break; for(i=n;i>0;i--) { if(isprime(i)==1 && isprime(i-2) == 1) { MAX=i; printf("%d %d\n",MAX-2,MAX); break; } } } }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; // 1???????´???°???0???????´???°?????? ?????? | ^~~~~
s498263158
p00150
C
#include<stdio.h> const int MAX_V = 1000000; int prime[MAX_V+1]; int isprime(int n) { int i, k, v; for(i = 2; i <= MAX_V; i++) { prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; } } } int isprime = prime[n]; if(isprime) return 1; else return 0; } int main(void) { int n,i,t=0,MAX=0; while(1) { scanf("%d",&n); // if(isprime(n))printf("OK"); if(n==0) break; for(i=n;i>0;i--) { if(isprime(i)==1 && isprime(i-2) == 1) { MAX=i; printf("%d %d\n",MAX-2,MAX); break; } } } }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s539610848
p00150
C
#include<stdio.h> const int MAX_V = 1000000; int prime[MAX_V+1]; int isprime(int n) { int i, k, v; for(i = 2; i <= MAX_V; i++) { prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; } } } int isprime = prime[n]; if(isprime) return 1; else return 0; } int main(void) { int n,i,t=0,MAX=0; while(1) { scanf("%d",&n); // if(isprime(n))printf("OK"); if(n==0) break; for(i=n;i>0;i--) { if(isprime(i)==1 && isprime(i-2) == 1) { MAX=i; printf("%d %d\n",MAX-2,MAX); break; } } } }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s487701339
p00150
C
#include<stdio.h> const int MAX_V = 1000000; int prime[MAX_V+1]; int main(){ int i, k, n; for(i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(i = 2;i*i <= MAX_V;i++){ if(prime[i]){ for(k = 2*i;k<=MAX_V;k += i){ prime[k] = 0; } } } while(scanf("%d", &n) != EOF){ for(i = n;i > 0;i--){ if(prime[i]==1 && prime[i-2]==1){ printf("%d %d\n", i-2, i); break; } } } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s466320115
p00150
C
#include<stdio.h> const int MAX_V = 1000000; int prime[MAX_V+1]; int main(){ int i, k, n; for(i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(i = 2;i*i <= MAX_V;i++){ if(prime[i]){ for(k = 2*i;k<=MAX_V;k += i){ prime[k] = 0; } } } while(scanf("%d", &n) != EOF){ for(i = n;i > 0;i--){ if(prime[i]==1 && prime[i-2]==1){ printf("%d %d\n", i-2, i); break; } } } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s300025588
p00150
C
#include <stdio.h> int isprime(int n) { int i; for(i = 2; i * i <= n; i++) { if(n % i == 0) return 0; } return 1; } int main(){ int n, i, max = 0; while(1){ scanf("%d", &n); if(n == 0) break; for(i=5 ; i<=n ; i++){ if(isprime(i)){ if(isprime(i-2)){ max = i; } } } } } printf("%d %d\n", max - 2, max); return 0; }
main.c:25:10: error: expected declaration specifiers or '...' before string constant 25 | printf("%d %d\n", max - 2, max); | ^~~~~~~~~ main.c:25:21: error: unknown type name 'max' 25 | printf("%d %d\n", max - 2, max); | ^~~ main.c:25:30: error: unknown type name 'max' 25 | printf("%d %d\n", max - 2, max); | ^~~ main.c:26:3: error: expected identifier or '(' before 'return' 26 | return 0; | ^~~~~~ main.c:27:1: error: expected identifier or '(' before '}' token 27 | } | ^
s211990221
p00150
C
#include <stdio.h> int isprime(int n) { int i; for(i = 2; i * i <= n; i++) { if(n % i == 0) return 0; } return 1; } int main(){ int n, i, max = 0; while(1){ scanf("%d", &n); if(n == 0) break; for(i=5 ; i<=n ; i++){ if(isprime(i)){ if(isprime(i-2)){ max = i; } } } } printf("%d %d\n", max - 2, max); return 0; } } } } } printf("%d %d\n", max - 2, max); return 0; }
main.c:27:9: error: expected identifier or '(' before '}' token 27 | } | ^ main.c:28:7: error: expected identifier or '(' before '}' token 28 | } | ^ main.c:29:5: error: expected identifier or '(' before '}' token 29 | } | ^ main.c:30:3: error: expected identifier or '(' before '}' token 30 | } | ^ main.c:31:10: error: expected declaration specifiers or '...' before string constant 31 | printf("%d %d\n", max - 2, max); | ^~~~~~~~~ main.c:31:21: error: unknown type name 'max' 31 | printf("%d %d\n", max - 2, max); | ^~~ main.c:31:30: error: unknown type name 'max' 31 | printf("%d %d\n", max - 2, max); | ^~~ main.c:32:3: error: expected identifier or '(' before 'return' 32 | return 0; | ^~~~~~ main.c:33:1: error: expected identifier or '(' before '}' token 33 | } | ^
s260648502
p00150
C
#include <stdio.h> const int MAX_V = 1000000; int prime[MAX_V+1]; int main(){ int i, k, n; for(i = 2; i <= MAX_V; i++){ prime[i] = 1; } for(i = 2; i * i <= MAX_V; i++){ if(prime[i]){ for(k = 2*i;k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &n) != EOF){ if(n==0) break; for(i = n; i >=2; i--){ if(prime[i - 2]&& prime[i]/*&&p1<i*/){ printf("%d %d\n", i - 2, i); break; } } } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s441736906
p00150
C
#include <stdio.h> #define MAX_V 1000000; int prime[MAX_V+1]; int main(){ int i, k, n; for(i = 2; i <= MAX_V; i++){ prime[i] = 1; } for(i = 2; i * i <= MAX_V; i++){ if(prime[i]){ for(k = 2*i;k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &n) != EOF){ if(n==0) break; for(i = n; i >=2; i--){ if(prime[i - 2]&& prime[i]/*&&p1<i*/){ printf("%d %d\n", i - 2, i); break; } } } return 0; }
main.c:2:23: error: expected ']' before ';' token 2 | #define MAX_V 1000000; | ^ main.c:3:11: note: in expansion of macro 'MAX_V' 3 | int prime[MAX_V+1]; | ^~~~~ main.c: In function 'main': main.c:7:26: error: expected expression before ';' token 7 | for(i = 2; i <= MAX_V; i++){ | ^ main.c:8:9: error: 'prime' undeclared (first use in this function) 8 | prime[i] = 1; | ^~~~~ main.c:8:9: note: each undeclared identifier is reported only once for each function it appears in main.c:10:30: error: expected expression before ';' token 10 | for(i = 2; i * i <= MAX_V; i++){ | ^ main.c:12:35: error: expected expression before ';' token 12 | for(k = 2*i;k <= MAX_V; k += i){ | ^
s107524038
p00150
C
#include<stdio.h> const int MAX_V=1000000; int prime[MAX_V+1]; int main() { int i,k,n,mini=0,big=0; for(i=2;i<=MAX_V;i++) { prime[i]=1; } for(i = 2; i*i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; } } } while(1) { scanf("%d", &n); if(n==0) break; for(i=3;i<=n-2;i+=2) { if(prime[i]==1 && prime[i+2]==1) { if(i+2>big) { mini=i; big=i+2; } } } printf("%d %d\n",mini,big); } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s018670272
p00150
C
#include<stdio.h> const int MAX_V = 100000; int prime[MAX_V+1]; int main(){ int i, j, v, n; for(i = 2; i <= MAX_V; i++){ prime[i] = 1; } for(i = 2; i * i <= MAX_V; i++){ if(prime[i]){ for(j = 2 * i; j <= MAX_V; j += i){ prime[j] = 0; } } } for(;;){ scanf("%d", &n); if(n == 0) break; for(i = n - 2; i >= 2; i--){ if(prime[i] == 1 && prime[i + 2] == 1){ printf("%d %d\n", i, i + 2); break; } } } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s509771556
p00150
C
#include<stdio.h> const int MAX_V = 10000; int prime[MAX_V+1]; int main(){ int i, j, v, n; for(i = 2; i <= MAX_V; i++){ prime[i] = 1; } for(i = 2; i * i <= MAX_V; i++){ if(prime[i]){ for(j = 2 * i; j <= MAX_V; j += i){ prime[j] = 0; } } } for(;;){ scanf("%d", &n); if(n == 0) break; for(i = n - 2; i >= 2; i--){ if(prime[i] == 1 && prime[i + 2] == 1){ printf("%d %d\n", i, i + 2); break; } } } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s745859309
p00150
C
#include<stdio.h> const int MAX_V = 1000000; int prime[MAX_V+1]; int main(){ int i,k,v,m=2; for(i=m;i<=MAX_V;i++){ prime[i]=1; } for(i=m;i*i<=MAX_V;i++){ if(prime[i]){ for(k=2*i;k<=MAX_V;k+=i){ prime[k]=0; } } } while(scanf("%d",&v)!=EOF){ if(v==0)break; for(i=v;i>=m;i--){ if(prime[i]==1 && prime[i-2]==1){ printf("%d %d\n",i-2,i); break; } } } return 0; }
main.c:3:16: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s762271567
p00150
C
#include<stdio.h> const int MAX_V = 1000000; // 100???????????? ?´???°??¨????????? int prime[MAX_V+1]; // 1???????´???°???0???????´???°?????? ?????? int main() { int i, k, v; for(i = 2; i <= MAX_V; i++) { prime[i] = 1; // 2??\??? ?´???°??¨?????? } for(i = 2; i*i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; // ?´???° 2?????\??? ?????° ?´???°?????? ?????? } } } while(scanf("%d", &v) != EOF) { int s = 0; for(int i = 5;i <= v;i++){ int isprime = prime[i]; if(isprime){ s++; } } int side[s],d = 0; for(int i = 5;i <= v;i++){ int isprime = prime[i]; if(isprime) { side[d] = i; d++; } } int m = d-1; int dai = 0,syo = 0; for(int n = m;n >= 0;n--){ if(side[n] - side[n-1] == 2){ if(syo < side[n-1]){ syo = side[n-1]; dai = side[n]; } } } printf("%d %d\n",syo,dai); } return 0; }
main.c:4:5: error: variably modified 'prime' at file scope 4 | int prime[MAX_V+1]; // 1???????´???°???0???????´???°?????? ?????? | ^~~~~
s328329723
p00150
C
#include<stdio.h> const int MAX_V = 1000000; // 100???????????? ?´???°??¨????????? int prime[MAX_V+1]; // 1???????´???°???0???????´???°?????? ?????? int main() { int i, k, v; for(i = 2; i <= MAX_V; i++) { prime[i] = 1; // 2??\??? ?´???°??¨?????? } for(i = 2; i*i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; // ?´???° 2?????\??? ?????° ?´???°?????? ?????? } } } while(scanf("%d", &v) != EOF) { int s = 0; for(int i = 5;i <= v;i++){ int isprime = prime[i]; if(isprime){ s++; } } int side[s],d = 0; for(int i = 5;i <= v;i++){ int isprime = prime[i]; if(isprime) { side[d] = i; d++; } } int m = d-1; int dai = 0,syo = 0; for(int n = m;n >= 0;n--){ if(side[n] - side[n-1] == 2){ if(syo < side[n-1]){ syo = side[n-1]; dai = side[n]; } } } printf("%d %d\n",syo,dai); } return 0; }
main.c:4:5: error: variably modified 'prime' at file scope 4 | int prime[MAX_V+1]; // 1???????´???°???0???????´???°?????? ?????? | ^~~~~
s293837044
p00150
C
#include<stdio.h> const int MAX_V = 1000000; int prime[MAX_V+1]; int main() { int i, k, v; for(i = 2; i <= MAX_V; i++) { prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; } } } while(scanf("%d", &v) != EOF) { int s = 0; for(int i = 5;i <= v;i++){ int isprime = prime[i]; if(isprime){ s++; } } int side[s],d = 0; for(int i = 5;i <= v;i++){ int isprime = prime[i]; if(isprime) { side[d] = i; d++; } } int m = d-1; int dai = 0,syo = 0; for(int n = m;n >= 0;n--){ if(side[n] - side[n-1] == 2){ if(syo < side[n-1]){ syo = side[n-1]; dai = side[n]; } } } printf("%d %d\n",syo,dai); } return 0; }
main.c:4:5: error: variably modified 'prime' at file scope 4 | int prime[MAX_V+1]; | ^~~~~
s777422939
p00150
C
#include <stdio.h> const int MAX_V = 10000; int prime[MAX_V+1]; int main() { int i, k, v, max; for(i = 2; i <= MAX_V; i++) { prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; } } } while(1) { scanf("%d",&v); if(v==0) break; for(i=v;i>=1;i--){ if(prime[i]==1 &&prime[i-2]==1){ max=i; break; } } printf("%d %d\n",max-2,max); } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s887455305
p00150
C
#include <stdio.h> const int MAX_V = 10000; int prime[MAX_V+1]; int main() { int i, k, v, max; for(i = 2; i <= MAX_V; i++) { prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; } } } while(1) { scanf("%d",&v); if(v==0) break; for(i=v;i>=1;i--){ if(prime[i]==1 &&prime[i-2]==1){ max=i; break; } } printf("%d %d\n",max-2,max); } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s647866760
p00150
C
#include<stdio.h> int isprime(int n){ for(int i = 2;i * i <= n;i++){ if(n % i == 0) return 0; } return 1; } int main(){ int n, p1, q1; int data[10000]; for(i = 2;i <= n;i++){ data[i] = isprime(i); } while(scanf("%d", &n) != EOF){ if(n == 0) break; else { for(i = n;i >= 2;i--){ if(data[i] == 1 && data[i-2] == 1){ printf("%d %d\n", data[i], data[i-2]); } } } } return 0; }
main.c: In function 'main': main.c:13:13: error: 'i' undeclared (first use in this function) 13 | for(i = 2;i <= n;i++){ | ^ main.c:13:13: note: each undeclared identifier is reported only once for each function it appears in
s455235448
p00150
C
#include<stdio.h> const int MAX_V = 100000; int prime[MAX_V+1]; int main() { int i=0, k,v[10000],y; for(i = 2; i <= MAX_V; i++) { prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; } } } for(;;){ scanf("%d",&v[i]); if(v[i]==0)break; i++; } int j=i; for(i=0;i<j;i++){ for(y=v[i];y>0;y--){ int isprime = prime[y]; if(isprime){ isprime=prime[y-2]; if(isprime) { printf("%d %d\n",y-2,y); break; } } } } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s996198215
p00150
C
#include<stdio.h> const int MAX_V = 100000; int prime[MAX_V+1]; int main() { int i=0, k,v[10000],y; for(i = 2; i <= MAX_V; i++) { prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; } } } for(;;){ scanf("%d",&v[i]); if(v[i]==0)break; i++; } int j=i; for(i=0;i<j;i++){ for(y=v[i];y>0;y--){ int isprime = prime[y]; if(isprime){ isprime=prime[y-2]; if(isprime) { printf("%d %d\n",y-2,y); break; } } } } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s538286079
p00150
C
#include <stdio.h> const int MAX_V = 10000; int prime[MAX_V + 1]; int main() { int data[10000]; int i, k, cnt = 0, n, p1, q1; for(i = 2; i <= MAX_V; i++) { prime[i] = 1; } for(i = 2; i * i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; } } } while(1) { scanf("%d", &n); if(n == 0) break; data[cnt] = n; cnt++; } for(i = 0; i < cnt; i++) { for(k = 5; k <= data[i]; k++) { if(prime[k] && prime[k-2]) { p1 = k - 2; q1 = k; } } printf("%d %d\n", p1, q1); } return 0; }
main.c:4:5: error: variably modified 'prime' at file scope 4 | int prime[MAX_V + 1]; | ^~~~~
s385539102
p00150
C
#include<stdio.h> const int MAX_V = 10000; int prime[MAX_V + 1]; int main(){ int i, k, v; for(i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(i = 2; i * i <= MAX_V;i++){ if(prime[i]){ for(k = 2 * i;k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &v) != EOF){ if(v == 0) break; for(int i = v;i >= 2;i--){ if(prime[i] == 1 && prime[i-1] == 1){ q1 = prime[i]; break; } } printf("%d %d", q1-2, q1); } return 0; }
main.c:4:5: error: variably modified 'prime' at file scope 4 | int prime[MAX_V + 1]; | ^~~~~ main.c: In function 'main': main.c:22:33: error: 'q1' undeclared (first use in this function) 22 | q1 = prime[i]; | ^~ main.c:22:33: note: each undeclared identifier is reported only once for each function it appears in
s597386082
p00150
C
#include<stdio.h> const int MAX_V = 10000; int prime[MAX_V + 1]; int main(){ int i, k, v; for(i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(i = 2; i * i <= MAX_V;i++){ if(prime[i]){ for(k = 2 * i;k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &v) != EOF){ if(v == 0) break; for(int i = v;i >= 2;i--){ if(prime[i] == 1 && prime[i-1] == 1){ q1 = prime[i]; break; } } printf("%d %d\n", q1-2, q1); } return 0; }
main.c:4:5: error: variably modified 'prime' at file scope 4 | int prime[MAX_V + 1]; | ^~~~~ main.c: In function 'main': main.c:22:33: error: 'q1' undeclared (first use in this function) 22 | q1 = prime[i]; | ^~ main.c:22:33: note: each undeclared identifier is reported only once for each function it appears in
s040540613
p00150
C
#include<stdio.h> const int MAX_V = 10000; int prime[MAX_V + 1]; int main(){ int i, k, v; for(i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(i = 2; i * i <= MAX_V;i++){ if(prime[i]){ for(k = 2 * i;k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &v) != EOF){ if(v == 0) break; for(int i = v;i >= 2;i--){ if(prime[i] == 1 && prime[i-1] == 1){ q1 = prime[i]; break; } } printf("%d %d\n", q1-2, q1); } return 0; }
main.c:4:5: error: variably modified 'prime' at file scope 4 | int prime[MAX_V + 1]; | ^~~~~ main.c: In function 'main': main.c:22:33: error: 'q1' undeclared (first use in this function) 22 | q1 = prime[i]; | ^~ main.c:22:33: note: each undeclared identifier is reported only once for each function it appears in
s095222807
p00150
C
#include<stdio.h> const int MAX_V = 10000; int prime[MAX_V + 1]; int main(){ int i, k, v, q1; for(i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(i = 2; i * i <= MAX_V;i++){ if(prime[i]){ for(k = 2 * i;k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &v) != EOF){ if(v == 0) break; for(int i = v;i >= 2;i--){ if(prime[i] == 1 && prime[i-2] == 1){ q1 = prime[i]; break; } } printf("%d %d\n", q1-2, q1); } return 0; }
main.c:4:5: error: variably modified 'prime' at file scope 4 | int prime[MAX_V + 1]; | ^~~~~
s082730581
p00150
C
#include<stdio.h> const int MAX_V = 10000; int prime[MAX_V +1]; int main(){ int i, k, v, q1; for(i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(i = 2; i * i <= MAX_V;i++){ if(prime[i]){ for(k = 2 * i;k <= MAX_V; k += i){ prime[k] = 0; } } } while(1){ scanf("%d", &v); if(v == 0) break; for(i = v;i >= 2;i--){ if(prime[i]){ if(prime[i-2]){ q1 = i; break; } } } printf("%d %d\n", q1 - 2, q1); } return 0; }
main.c:4:5: error: variably modified 'prime' at file scope 4 | int prime[MAX_V +1]; | ^~~~~
s721094427
p00150
C
#include<stdio.h> const int MAX_V = 10000; int prime[MAX_V +1]; int main(){ int i, k, v, q1; for(i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(i = 2; i * i <= MAX_V;i++){ if(prime[i]){ for(k = 2 * i;k <= MAX_V; k += i){ prime[k] = 0; } } } while(1){ scanf("%d", &v); if(v == 0) break; for(i = v;i >= 2;i--){ if(prime[i]){ if(prime[i-2]){ q1 = i; break; } } } printf("%d %d\n", q1 - 2, q1); } return 0; }
main.c:4:5: error: variably modified 'prime' at file scope 4 | int prime[MAX_V +1]; | ^~~~~
s413419077
p00150
C
#include<stdio.h> const int MAX_V = 10000; int prime[MAX_V +1]; int main(){ int i, k, v, q1; for(i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(i = 2; i * i <= MAX_V;i++){ if(prime[i]){ for(k = 2 * i;k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &v) != EOF){ if(v == 0) break; for(i = v;i >= 2;i--){ if(prime[i]){ if(prime[i-2]){ q1 = i; break; } } } printf("%d %d\n", q1 - 2, q1); } return 0; }
main.c:4:5: error: variably modified 'prime' at file scope 4 | int prime[MAX_V +1]; | ^~~~~
s004993700
p00150
C
#include<stdio.h> const int MAX_V = 10000; int prime[MAX_V +1]; int main(){ int v, q1; for(int i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(int i = 2; i * i <= MAX_V;i++){ if(prime[i]){ for(int k = 2 * i;k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &v) != EOF){ if(v == 0) break; for(int i = v;i >= 2;i--){ if(prime[i]){ if(prime[i-2]){ q1 = i; break; } } } printf("%d %d\n", q1 - 2, q1); } return 0; }
main.c:4:5: error: variably modified 'prime' at file scope 4 | int prime[MAX_V +1]; | ^~~~~
s684898793
p00150
C
#include<stdio.h> #define const int MAX_V = 10000; int prime[MAX_V+1]; int main(){ int v, q1; for(int i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(int i = 2; i * i <= MAX_V;i++){ if(prime[i]){ for(int k = 2 * i;k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &v) != EOF){ if(v == 0) break; for(int i = v;i >= 2;i--){ if(prime[i]){ if(prime[i-2]){ q1 = i; break; } } } printf("%d %d\n", q1 - 2, q1); } return 0; }
main.c:2:8: error: no macro name given in #define directive 2 | #define | ^ main.c:5:5: error: variably modified 'prime' at file scope 5 | int prime[MAX_V+1]; | ^~~~~
s397179624
p00150
C
#include<stdio.h> #define const int MAX_V = 10000; int prime[MAX_V+1]; int main(){ int v, q1; for(int i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(int i = 2; i * i <= MAX_V;i++){ if(prime[i]){ for(int k = 2 * i;k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &v) != EOF){ if(v == 0) break; for(int i = v;i >= 2;i--){ if(prime[i]){ if(prime[i-2]){ q1 = i; break; } } } printf("%d %d\n", q1 - 2, q1); } return 0; }
main.c:2:8: error: no macro name given in #define directive 2 | #define | ^ main.c:5:5: error: variably modified 'prime' at file scope 5 | int prime[MAX_V+1]; | ^~~~~
s482741616
p00150
C
#include<stdio.h> #define const int MAX_V = 10000; int prime[10001]; int main(){ int v, q1; for(int i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(int i = 2; i * i <= MAX_V;i++){ if(prime[i]){ for(int k = 2 * i;k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &v) != EOF){ if(v == 0) break; for(int i = v;i >= 2;i--){ if(prime[i]){ if(prime[i-2]){ q1 = i; break; } } } printf("%d %d\n", q1 - 2, q1); } return 0; }
main.c:2:8: error: no macro name given in #define directive 2 | #define | ^
s842315414
p00150
C
#include<stdio.h> const int MAX_V = 1000000; int prime[MAX_V+1]; int prime_j(int n){ //printf("%d???prime\n", n);//???????????° int i; if(prime[n]){ return 0; } return 1; } int main(){ int n, i, k; for(i = 2;i < MAX_V;i++){ prime[i] = 1; } for(i=2;i*i<=MAX_V;i++){ if(prime[i]){ for(k = 2*1;k <= MAX_V;k += i){ prime[k] = 0; } } } scanf("%d", &n); while(n != 0){ for(i=n;i>0;i--){ if(prime_j(i)){ if(prime_j(i-2)){ printf("%d %d\n", i-2, i); break; } } } scanf("%d", &n); //printf("n=%d\n", n);//???????????° } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s496960663
p00150
C
#include <stdio.h> const int MAX_V = 1000000; int prime[MAX_V+1]; int main(){ int n; for(int i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(int i = 2;i * i <= MAX_V;i++){ if(prime[i]){ for(int k = 2* i;k <= MAX_V;k += i) prime[k]=0; } } while(1){ scanf("%d",&n); if(n == 0)break; for(int i = n; i > 3; i--){ if(prime[i] == 1 && prime[i-2] == 1){ printf("%d %d\n",i-2,i); break; } } } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s710320194
p00150
C
#include <stdio.h> const int MAX_V = 1000000; int prime[MAX_V+1]; int main(){ int n; for(int i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(int i = 2;i * i <= MAX_V;i++){ if(prime[i]){ for(int k = 2* i;k <= MAX_V;k += i) prime[k]=0; } } while(1){ scanf("%d",&n); if(n == 0)break; for(int i = n; i > 3; i--){ if(prime[i] == 1 && prime[i-2] == 1){ printf("%d %d\n",i-2,i); break; } } } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s125525821
p00150
C
#include<stdio.h> const int MAX_V = 1000000; int prime[MAX_V + 1]; int main(){ int n, i, k; for(i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(i=2;i*i<=MAX_V;i++){ if(prime[i]){ for(k = 2*i;k <= MAX_V;k += i){ prime[k] = 0; } } } scanf("%d", &n); while(n != 0){ for(i=n;i>0;i--){ if(prime[i]){ if(prime[i-2]){ printf("%d %d\n", i-2, i); break; } } } scanf("%d", &n); } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V + 1]; | ^~~~~
s144047083
p00150
C
#include<stdio.h> #define MAX_V = 1000000 int prime[MAX_V + 1]; int main(){ int n, i, k; for(i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(i=2;i*i<=MAX_V;i++){ if(prime[i]){ for(k = 2*i;k <= MAX_V;k += i){ prime[k] = 0; } } } scanf("%d", &n); while(n != 0){ for(i=n;i>0;i--){ if(prime[i]){ if(prime[i-2]){ printf("%d %d\n", i-2, i); break; } } } scanf("%d", &n); } return 0; }
main.c:2:15: error: expected expression before '=' token 2 | #define MAX_V = 1000000 | ^ main.c:3:11: note: in expansion of macro 'MAX_V' 3 | int prime[MAX_V + 1]; | ^~~~~ main.c: In function 'main': main.c:2:15: error: expected expression before '=' token 2 | #define MAX_V = 1000000 | ^ main.c:6:18: note: in expansion of macro 'MAX_V' 6 | for(i = 2;i <= MAX_V;i++){ | ^~~~~ main.c:7:5: error: 'prime' undeclared (first use in this function) 7 | prime[i] = 1; | ^~~~~ main.c:7:5: note: each undeclared identifier is reported only once for each function it appears in main.c:2:15: error: expected expression before '=' token 2 | #define MAX_V = 1000000 | ^ main.c:9:16: note: in expansion of macro 'MAX_V' 9 | for(i=2;i*i<=MAX_V;i++){ | ^~~~~ main.c:2:15: error: expected expression before '=' token 2 | #define MAX_V = 1000000 | ^ main.c:11:24: note: in expansion of macro 'MAX_V' 11 | for(k = 2*i;k <= MAX_V;k += i){ | ^~~~~
s908396916
p00150
C
#include<stdio.h> const int MAX_V = 10000; int prime[10001]; int main(){ int i, n, sum = 0; for(i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(i = 2; i * i <= MAX_V;i++){ if(prime[i]){ for(int k = 2 * i;k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &n) != EOF){ if(n == 0) break; for(int i = n;i >= 2;i--){ if(prime(i)){ if(prime(i-2)){ q1 = i; break; } } } printf("%d %d\n", q1 - 2, q1); } return 0; }
main.c: In function 'main': main.c:21:28: error: called object 'prime' is not a function or function pointer 21 | if(prime(i)){ | ^~~~~ main.c:4:13: note: declared here 4 | int prime[10001]; | ^~~~~ main.c:22:36: error: called object 'prime' is not a function or function pointer 22 | if(prime(i-2)){ | ^~~~~ main.c:4:13: note: declared here 4 | int prime[10001]; | ^~~~~ main.c:23:41: error: 'q1' undeclared (first use in this function) 23 | q1 = i; | ^~ main.c:23:41: note: each undeclared identifier is reported only once for each function it appears in
s807907257
p00150
C
#include<stdio.h> const int MAX_V = 10000; int prime[10001]; int main(){ int i, n, q1; for(i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(i = 2; i * i <= MAX_V;i++){ if(prime[i]){ for(int k = 2 * i;k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &n) != EOF){ if(n == 0) break; for(int i = n;i >= 2;i--){ if(prime(i)){ if(prime(i-2)){ q1 = i; break; } } } printf("%d %d\n", q1 - 2, q1); } return 0; }
main.c: In function 'main': main.c:21:28: error: called object 'prime' is not a function or function pointer 21 | if(prime(i)){ | ^~~~~ main.c:4:13: note: declared here 4 | int prime[10001]; | ^~~~~ main.c:22:36: error: called object 'prime' is not a function or function pointer 22 | if(prime(i-2)){ | ^~~~~ main.c:4:13: note: declared here 4 | int prime[10001]; | ^~~~~
s179708205
p00150
C
#include <stdio.h> const int MAX = 10000; int prime[MAX+1]; int twin_prime[MAX+1]; void isprime(int n) { int i, k, l = 0, p1, q1; for(i = 2; i <= n; i++) { prime[i] = 1; } for(i = 2; i <= n; i++) { if(prime[i]) { for(k = 2*i; k <= n; k+=i) { prime[k] = 0; } } if(prime[i]) { twin_prime[l] = i; l++; } } for(i = 0; i < l; i++) { if(twin_prime[i+1]-twin_prime[i]==2) { p1 = twin_prime[i]; q1 = twin_prime[i+1]; } } printf("%d %d\n", p1, q1); } int main() { int i, n; for(i = 0; i < MAX; i++) { scanf("%d", &n); if(n == 0) break; isprime(n); } }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX+1]; | ^~~~~ main.c:4:5: error: variably modified 'twin_prime' at file scope 4 | int twin_prime[MAX+1]; | ^~~~~~~~~~
s507277783
p00150
C
#include <stdio.h> const int MAX = 10000; int prime[MAX+1]; int twin_prime[MAX+1]; void isprime(int n) { int i, k, l = 0, p1, q1; for(i = 2; i <= n; i++) { prime[i] = 1; } for(i = 2; i <= n; i++) { if(prime[i]) { for(k = 2*i; k <= n; k+=i) { prime[k] = 0; } } if(prime[i]) { twin_prime[l] = i; l++; } } for(i = 0; i < l; i++) { if(twin_prime[i+1]-twin_prime[i]==2) { p1 = twin_prime[i]; q1 = twin_prime[i+1]; } } printf("%d %d\n", p1, q1); } int main() { int i, n; for(i = 0; i < MAX; i++) { scanf("%d", &n); if(n == 0) break; isprime(n); } }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX+1]; | ^~~~~ main.c:4:5: error: variably modified 'twin_prime' at file scope 4 | int twin_prime[MAX+1]; | ^~~~~~~~~~
s072429061
p00150
C
#include <stdio.h> int prime[10001]; int twin_prime[10001]; void isprime(int n) { int i, k, l = 0, p1, q1; for(i = 2; i <= n; i++) { prime[i] = 1; } for(i = 2; i <= n; i++) { if(prime[i]) { for(k = 2*i; k <= n; k+=i) { prime[k] = 0; } } if(prime[i]) { twin_prime[l] = i; l++; } } for(i = 0; i < l; i++) { if(twin_prime[i+1]-twin_prime[i]==2) { p1 = twin_prime[i]; q1 = twin_prime[i+1]; } } printf("%d %d\n", p1, q1); } int main() { int i, n; for(i = 0; i < MAX; i++) { scanf("%d", &n); if(n == 0) break; isprime(n); } }
main.c: In function 'main': main.c:32:20: error: 'MAX' undeclared (first use in this function) 32 | for(i = 0; i < MAX; i++) { | ^~~ main.c:32:20: note: each undeclared identifier is reported only once for each function it appears in
s632267619
p00150
C
#include <stdio.h> long int prime[10001]; long int twin_prime[10001]; void isprime(int n) { int i, k, l = 0, p1, q1; for(i = 2; i <= n; i++) { prime[i] = 1; } for(i = 2; i <= n; i++) { if(prime[i]) { for(k = 2*i; k <= n; k+=i) { prime[k] = 0; } } if(prime[i]) { twin_prime[l] = i; l++; } } for(i = 0; i < l; i++) { if(twin_prime[i+1]-twin_prime[i]==2) { p1 = twin_prime[i]; q1 = twin_prime[i+1]; } } printf("%d %d\n", p1, q1); } int main() { int i, n; for(i = 0; i < MAX; i++) { scanf("%d", &n); if(n == 0) break; isprime(n); } }
main.c: In function 'main': main.c:32:20: error: 'MAX' undeclared (first use in this function) 32 | for(i = 0; i < MAX; i++) { | ^~~ main.c:32:20: note: each undeclared identifier is reported only once for each function it appears in
s271399465
p00150
C
#include <stdio.h> int prime[1000]; int twin_prime[1000]; void isprime(int n) { int i, k, l = 0, p1, q1; for(i = 2; i <= n; i++) { prime[i] = 1; } for(i = 2; i <= n; i++) { if(prime[i]) { for(k = 2*i; k <= n; k+=i) { prime[k] = 0; } } if(prime[i]) { twin_prime[l] = i; l++; } } for(i = 0; i < l; i++) { if(twin_prime[i+1]-twin_prime[i]==2) { p1 = twin_prime[i]; q1 = twin_prime[i+1]; } } printf("%d %d\n", p1, q1); } int main() { int i, n; for(i = 0; i < MAX; i++) { scanf("%d", &n); if(n == 0) break; isprime(n); } return 0; }
main.c: In function 'main': main.c:32:20: error: 'MAX' undeclared (first use in this function) 32 | for(i = 0; i < MAX; i++) { | ^~~ main.c:32:20: note: each undeclared identifier is reported only once for each function it appears in
s162253825
p00150
C
#include <stdio.h> int isprime(int n){ for(int i = 2 ; i*i<=n ;i++){ if(n%i==0)return 0; } return 1; } int main(){ int n ,i , fir ,sec; while(scanf("%d" ,&n)){ if(n==0)break; fir = 0 ,sec = 0; for(i=n ;i>3 ;i--){ if(number[i] && number[i-2]){ fir = i-2; sec = i; break; } } printf("%d %d\n" ,fir ,sec); } return 0; }
main.c: In function 'main': main.c:14:10: error: 'number' undeclared (first use in this function) 14 | if(number[i] && number[i-2]){ | ^~~~~~ main.c:14:10: note: each undeclared identifier is reported only once for each function it appears in
s013490291
p00150
C
#include <stdio.h> int isprime(int n){ for(int i = 2 ; i*i<=n ;i++){ if(n%i==0)return 0; } return 1; } int main(){ int n ,i , fir ,sec; while(scanf("%d" ,&n)){ if(n==0)break; fir = 0 ,sec = 0; for(i=n ;i>3 ;i--){ if(isprime[i] && isprime[i-2]){ fir = i-2; sec = i; break; } } printf("%d %d\n" ,fir ,sec); } return 0; }
main.c: In function 'main': main.c:14:17: error: subscripted value is neither array nor pointer nor vector 14 | if(isprime[i] && isprime[i-2]){ | ^ main.c:14:31: error: subscripted value is neither array nor pointer nor vector 14 | if(isprime[i] && isprime[i-2]){ | ^
s990530057
p00150
C
#include <stdio.h> const int MAX_V = 10000; int prime[MAX_V+1]; int main(){ int i, k, v; for(i = 2; i <= MAX_V; i++) prime[i] = 1; for(i = 2; i <= MAX_V; i++){ if(prime[i]){ for(k = 2 * i; k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &v) != EOF) { for(i = v; i >= 5; i--){ if(prime[i] && prime[i-2]) { printf("%d %d\n", i-2, i); break; } } } }
main.c:4:5: error: variably modified 'prime' at file scope 4 | int prime[MAX_V+1]; | ^~~~~
s608912446
p00150
C
#include <stdio.h> int isprime(int n){ for(int i=2; i*i<=n; i++){ if(n%i==0) return 0; } return 1; } int main(){ int num; while(1){ scanf("%d", &num); if(num==0)break; for(int i=num; i>2; i--){ if(isprime(i)==1) if(isprime(i-2)==1) printf("%d %d\n", i-2, i)break; } } return 0; }
main.c: In function 'main': main.c:18:46: error: expected ';' before 'break' 18 | printf("%d %d\n", i-2, i)break; | ^~~~~ | ;
s448965749
p00150
C
#include <stdio.h> const int MAX_V = 10000; int prime[MAX_V+1]; void init(){ int i, k, v; for(i=2; i<=MAX_V; i++){ prime[i] = 1; } for(i=2; i*i<=MAX_V; i++){ if(prime[i]){ for(k=2*i; k<=MAX_V; k+=i){ prime[k]=0; } } } } int isprime(int n){ return prime[n]; } int main(){ init(); int num; while(1){ scanf("%d", &num); if(num==0)break; for(int i=num; i>2; i--){ if(isprime(i)==1) if(isprime(i-2)==1){ printf("%d %d\n", i-2, i); break; } } } return 0; }
main.c:4:5: error: variably modified 'prime' at file scope 4 | int prime[MAX_V+1]; | ^~~~~
s952462156
p00150
C
#include <stdio.h> const int MAX_V = 10000; int prime[MAX_V+1]; int main() { int i, k, v, max; for(i = 2; i <= MAX_V; i++) { prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; } } } while(1) { scanf("%d",&v); max=0; if(v==0) break; for(i=v;i>=1;i--){ if(prime[i]==1 &&prime[i-2]==1){ max=i; break; } } printf("%d %d\n",max-2,max); } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V+1]; | ^~~~~
s902125186
p00150
C
#include<stdio.h> const int MAX_V = 1000000; int prime[MAX_V + 1]; int count; int main(){ int n, i, k; for(i = 2;i <= MAX_V;i++){ prime[i] = 1; } for(i=2;i*i<=MAX_V;i++){ if(prime[i]){ for(k = 2*i;k <= MAX_V;k += i){ prime[k] = 0; } } } scanf("%d", &n); while(n != 0){ for(i=n;i>0;i--){ if(prime[i]){ if(prime[i-2]){ printf("%d %d\n", i-2, i); break; } } } scanf("%d", &n); } return 0; }
main.c:3:5: error: variably modified 'prime' at file scope 3 | int prime[MAX_V + 1]; | ^~~~~
s207505113
p00150
C
#include<stdio.h> #include<string.h> int main(){ int n,i,j,ans; bool f[500005]; memset(f,true,sizeof(f)); f[0]=f[1]=false; for(i=3;i<10005;i++){ if(f[i]){ for(j=2;i*j<10005;j++){ f[i*j]=false;} } } while(1){ scanf("%d",&n); if(n==0)break; if(n%2==0)n--; while(1){ if(f[n] && f[n-2]){ printf("%d %d\n",n-2,n); break; }else n-=2; } } return 0; }
main.c: In function 'main': main.c:5:9: error: unknown type name 'bool' 5 | bool f[500005]; | ^~~~ main.c:3:1: note: 'bool' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>' 2 | #include<string.h> +++ |+#include <stdbool.h> 3 | int main(){ main.c:6:18: error: 'true' undeclared (first use in this function) 6 | memset(f,true,sizeof(f)); | ^~~~ main.c:6:18: note: 'true' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>' main.c:6:18: note: each undeclared identifier is reported only once for each function it appears in main.c:7:19: error: 'false' undeclared (first use in this function) 7 | f[0]=f[1]=false; | ^~~~~ main.c:7:19: note: 'false' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
s889667168
p00150
C
#include <iostream> #include <cstring> using namespace std; const int lim = 10000; bool prime[lim+10]; int main(){ int n; memset(prime,-1,sizeof(prime)); for(int i = 3; i <= lim; i += 2) if(prime[i]) for(int j = i*2 ; j <= lim; j += i) prime[j] = 0; while(cin >> n && n){ if(n % 2 == 0) n--; for(int i = n; i >= 5; i -= 2){ if(prime[i] && prime[i-2]){ cout << i-2 << " " << i << endl; break; } } } return 0; }
main.c:1:10: fatal error: iostream: No such file or directory 1 | #include <iostream> | ^~~~~~~~~~ compilation terminated.
s637222054
p00150
C
12 100 200 300 0
main.c:1:1: error: expected identifier or '(' before numeric constant 1 | 12 | ^~
s151784190
p00150
C++
#include <iostream> #include <utility> #include <vector> #include <cmath> #include <algorithm> using namespace std; #define gcu getchar_unlocked #define pcu putchar_unlocked #define _il inline #define _in _il int in #define _sc _il bool scan _in(int c){int n=0;bool m=false;if(c=='-')m=true,c=gcu(); do{n=10*n+(c-'0'),c=gcu();}while(c>='0');return m?-n:n;} //&&c<='9' _in() {return in(gcu());} _sc(int &n){int c=gcu();return c==EOF?false:(n=in(c),true);} _sc(char &c){c=gcu();gcu();return c!=EOF;} //_sc(string &s){int c;s=""; // for(;;){c=gcu();if(c=='\n'||c==' ')return true;else if(c==EOF)return false;s+=c;}} template <typename H,typename... T> _sc(H &h, T&&... t){return scan(h)&&scan(t...);} #define _vo _il void out #define _vl _il void outl template <typename T> _vo(T n){static char buf[20];char *p=buf; if(n<0)pcu('-'),n*=-1;if(!n)*p++='0';else while(n)*p++=n%10+'0',n/=10; while (p!=buf)pcu(*--p);} _vo(const char *s){while(*s)pcu(*s++);} _vo(char c){pcu(c);} //_vo(string &s){for (char c: s) pcu(c);} template <typename H,typename... T> _vo(H&& h, T&&... t){out(h);out(move(t)...);} //template <typename T> _vo(vector<T> &v){for(T &x:v)out(&x == &v[0]?"":" "),out(x);out('\n');} _vl(){out('\n');} template <typename... T> _vl(T&&... t){out(move(t)...);outl();} template<int N> struct sieve { bool s[N]; constexpr sieve() : s() { for (int i = 0; i < N; i++) i = true; for (int i = 4; i < N; i += 2) s[i] = false; for (int i = 9; i < N; i += 6) s[i] = false; for (int i = 6, e = sqrt(N); i <= e; i += 6) { for (int j : {i - 1, i + 1}) if (s[j]) for (int k = j * j; k < N; k += j) s[k] = false; } } };
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start': (.text+0x17): undefined reference to `main' collect2: error: ld returned 1 exit status
s295152687
p00150
C++
#include<iostream> #include<fstream> #include<vector> #define N 10000 int gcd(int q1,int p1){ if(q1%p1==0) return p1; return gcd(p1,q1%p1); } int sosu(int j){ if(j<2)return 0; if(j==2)return 1; if(j%2==0)return 0; for(int i=3; i<=j/2; i++){ if(j%i==0)return 0; } return 1; } int main(){ std::vector<int> n; n.resize(N);
a.cc: In function 'int main()': a.cc:23:17: error: expected '}' at end of input 23 | n.resize(N); | ^ a.cc:21:11: note: to match this '{' 21 | int main(){ | ^
s320720434
p00150
C++
#include<fstream> #include<vector> #define N 10000 int gcd(int q1,int p1){ if(q1%p1==0) return p1; return gcd(p1,q1%p1); } int sosu(int j){ if(j<2)return 0; if(j==2)return 1; if(j%2==0)return 0; for(int i=3; i<=j/2; i++){ if(j%i==0)return 0; } return 1; } int main(){ std::vector<int> n; n.resize(N); for(int i=0; i<N; i++){ std::cin >> n[i]; if(n[i]==0)break; } for(int i=0; i<N; i++){ if(n[i]==0)break; for(int j=n[i]; j>5; j--){ if(sosu(j)&&sosu(j-2)) if(gcd(j,j-2)==1){ std::cout << j-2 << " " << j <<std::endl; break; } } } return 0; }
a.cc: In function 'int main()': a.cc:24:14: error: 'cin' is not a member of 'std' 24 | std::cin >> n[i]; | ^~~ a.cc:3:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' 2 | #include<vector> +++ |+#include <iostream> 3 | #define N 10000 a.cc:32:26: error: 'cout' is not a member of 'std' 32 | std::cout << j-2 << " " << j <<std::endl; | ^~~~ a.cc:32:26: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
s815854339
p00150
C++
#include <stdio.h> const int MAX_V = 1000000; // 100万まて?の素数表を作る int prime[MAX_V+1]; // 1か?素数,0か?素数て?ない int main() { int i, k, v; for(i = 2; i <= MAX_V; i++) { prime[i] = 1; // 素数と仮定 } for(i = 2; i*i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; // 素数の2倍以上の倍数は素数ではない } } } while(1) { scanf("%d", &n); if(n == 0) break; for(int i = n; i >= 5; i--) { if(prime(i) == 1) { ans[1] = i; if(prime(i - 2) == 1) { ans[0] = i - 2; break; } } } printf("%d %d\n", ans[0], ans[1]); } return 0; }
a.cc: In function 'int main()': a.cc:20:22: error: 'n' was not declared in this scope 20 | scanf("%d", &n); | ^ a.cc:23:21: error: 'prime' cannot be used as a function 23 | if(prime(i) == 1) { | ~~~~~^~~ a.cc:24:17: error: 'ans' was not declared in this scope 24 | ans[1] = i; | ^~~ a.cc:25:25: error: 'prime' cannot be used as a function 25 | if(prime(i - 2) == 1) { | ~~~~~^~~~~~~ a.cc:31:27: error: 'ans' was not declared in this scope 31 | printf("%d %d\n", ans[0], ans[1]); | ^~~
s324150558
p00150
C++
#include<bits/stdc++.h> using namespace std; #define MAX_N 12000 int prime[MAX_N]; bool is_prime[MAX_N + 1]; void prime_generate(){ int p = 0; for(int i = 0; i <= MAX_N; i++) is_prime[i] = true; is_prime[0] = is_prime[1] = false; for(int i = 2; i <= MAX_N; i++){ if(is_prime[i]){ prime[p++] = i; for(int j = 2 * i; j <= MAX_N; j += i) is_prime[j] = false; } } } void solve(int n, n){ int p1 = -1, p2 = -1; for(int i = 0; prime[i+1] <= n; i++){ if(prime[i+1] - prime[i] == 2){ if(p1 <= prime[i]){ p1 = prime[i]; } if(p2 <= prime[i+1]){ p2 = prime[i+1]; } } } cout << p1 << " " << p2 << endl; } int main(){ prime_generate(); int n; while(cin >> n){ solve(n); } }
a.cc:24:19: error: 'n' is not a type 24 | void solve(int n, n){ | ^ a.cc: In function 'int main()': a.cc:45:22: error: too few arguments to function 'void solve(int, int)' 45 | solve(n); | ~~~~~^~~ a.cc:24:6: note: declared here 24 | void solve(int n, n){ | ^~~~~
s078810992
p00150
C++
#include <iostream> #include <vector> using namespace std; vector<int>prime; int main(){ int ask; prime.push_back(1); prime.push_back(2); for(int i=3;i<10001;i++){ int t=1; for(int j=2;j*j<=i;j++){ if(i%j==0){ t=0; break; } } if(t) prime.push_back(i); } while(true){ cin>>ask; if(ask==0) break; for(int i=ask;i>1;i--){ if(find(prime.begin(),prime.end(),i)!=prime.end()&&find(prime.begin(),prime.end(),i-2)!=prime.end()){ cout<<i-2<<" "<<i<<endl; break; } } } return 0; }
a.cc: In function 'int main()': a.cc:26:20: error: no matching function for call to 'find(std::vector<int>::iterator, std::vector<int>::iterator, int&)' 26 | if(find(prime.begin(),prime.end(),i)!=prime.end()&&find(prime.begin(),prime.end(),i-2)!=prime.end()){ | ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/14/bits/locale_facets.h:48, from /usr/include/c++/14/bits/basic_ios.h:37, from /usr/include/c++/14/ios:46, from /usr/include/c++/14/ostream:40, from /usr/include/c++/14/iostream:41, from a.cc:1: /usr/include/c++/14/bits/streambuf_iterator.h:435:5: note: candidate: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(istreambuf_iterator<_CharT>, istreambuf_iterator<_CharT>, const _CharT2&)' 435 | find(istreambuf_iterator<_CharT> __first, | ^~~~ /usr/include/c++/14/bits/streambuf_iterator.h:435:5: note: template argument deduction/substitution failed: a.cc:26:20: note: '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'std::istreambuf_iterator<_CharT>' 26 | if(find(prime.begin(),prime.end(),i)!=prime.end()&&find(prime.begin(),prime.end(),i-2)!=prime.end()){ | ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ a.cc:26:68: error: no matching function for call to 'find(std::vector<int>::iterator, std::vector<int>::iterator, int)' 26 | if(find(prime.begin(),prime.end(),i)!=prime.end()&&find(prime.begin(),prime.end(),i-2)!=prime.end()){ | ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/14/bits/streambuf_iterator.h:435:5: note: candidate: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(istreambuf_iterator<_CharT>, istreambuf_iterator<_CharT>, const _CharT2&)' 435 | find(istreambuf_iterator<_CharT> __first, | ^~~~ /usr/include/c++/14/bits/streambuf_iterator.h:435:5: note: template argument deduction/substitution failed: a.cc:26:68: note: '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'std::istreambuf_iterator<_CharT>' 26 | if(find(prime.begin(),prime.end(),i)!=prime.end()&&find(prime.begin(),prime.end(),i-2)!=prime.end()){ | ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
s498579703
p00150
C++
#include<iostream> #include<vector> using namespace std; bool is_p[1000000]; void erast(int n, vector<int> &p){ is_p[0] = is_p[1] = 1; p.push_back(1); for (int i = 2; i <= n; i++) { if(is_p[i] == 1)continue; is_p[i] = 1; p.push_back(i); for (int j = 2*i; j <= n; j += i) { is_p[j] = 1; } } } int main(int argc, char *argv[]){ int n; while(cin >> n, n){ memset(is_p, 0, sizeof(is_p)); vector<int> p; erast(n, p); for (int i = p.size() - 1; i > 0; i--) { if(p[i] - p[i - 1] == 2){ std::cout << p[i - 1] << " " << p[i] << std::endl; break; } } } return 0; }
a.cc: In function 'int main(int, char**)': a.cc:22:5: error: 'memset' was not declared in this scope 22 | memset(is_p, 0, sizeof(is_p)); | ^~~~~~ a.cc:3:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>' 2 | #include<vector> +++ |+#include <cstring> 3 | using namespace std;
s249881378
p00150
C++
#include<bits/stdc++.h> using namespace std; bool sosu(int q); int mem[10005]={0}; main(){ int n; while(1){ cin>>n; if(n==0) break; int q; for(q=n-((n+1)%2);q-2>1;q-=2){ if(sosu(q)&&sosu(q-2)){ cout<<q-2<<" "<<q<<endl; break; } } } } bool sosu(int q){ if(mem[q]==1){ return 1; } else if(mem[q]==-1){ return 0; } else{ for(int i=3;i<=sqrt(q);i+=2){ if(mem[i]==0||mem[i]==1){ for(int j=i;j<=q;j+=i){ mem[j]=0; if(j==q){ return 0; } } } } if(mem[q]==0){ mem[q]=1; return 1; } }
a.cc:5:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 5 | main(){ | ^~~~ a.cc: In function 'bool sosu(int)': a.cc:41:4: error: expected '}' at end of input 41 | } | ^ a.cc:19:17: note: to match this '{' 19 | bool sosu(int q){ | ^ a.cc:41:4: warning: control reaches end of non-void function [-Wreturn-type] 41 | } | ^
s914284248
p00150
C++
#include<stdio.h> #include<math.h> int Prime(int x){ int n; if(x == 2)return 1; if(x < 2 || x % 2 == 0)return 0; for(n = 3; n <= sqrt((double)x); n += 2){ if(x % n == 0)return 0; } return 1; } int main(){ int n, i, cnt = 0, max = 0, data[1000001]; while(1){ scanf("%d", &n); if(n==) break; for(i = 0; i <= n; i++){ if(Prime(i) == 1){ data[cnt] = i; cnt++; } } for(i = 1; i <= cnt; i++){ if(data[i] - data[i - 1] == 2)max = i; } if(max != 0)printf("%d %d\n", data[max - 1], data[max]); } return 0; }
a.cc: In function 'int main()': a.cc:18:15: error: expected primary-expression before ')' token 18 | if(n==) break; | ^
s865095984
p00150
C++
#include<stdio.h> const int MAX_V = 10000; int main(){ int i, k, n =10, cnt = 0, idx = 2; int prime[MAX_V+1]; int border[10]; int maxprime[10] = {0}; int difference[MAX_V+1]; for( i = 2; i <= MAX_V; i++) { prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++){ if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i){ prime[k] = 0; } } } for( i = 2; i < MAX_V; i++){ if(prime[i] == 1){ difference[i] = i - idx; idx = i; } } for( i = 0; i < n; i++){ scanf("%d", &border[i]); if( border[i] <5 || border[i] if(border[i] == 0) break; cnt++; } for( i = 0; i < cnt; i++){ for( k = 2; k <= border[i]; k++){ if( difference[k] == 2 && k > maxprime[i]){ maxprime[i] = k; } } printf("%d %d\n", maxprime[i] - 2, maxprime[i]); } return 0; }
a.cc: In function 'int main()': a.cc:27:46: error: expected ';' before 'if' 27 | if( border[i] <5 || border[i] | ^ | ; 28 | if(border[i] == 0) break; | ~~ a.cc:29:22: error: expected ')' before ';' token 29 | cnt++; | ^ | ) a.cc:27:19: note: to match this '(' 27 | if( border[i] <5 || border[i] | ^
s774539454
p00150
C++
#include <stdio.h> int isprime(int n){ for(int i=2;i*i<=n;i++){ if(n%i==0) return 0; } return 1; } int main(){ int n,i,prime[10000]; while(1){ scanf("%d",&n); if(n==0){ break; } for(i=n;i>=5;i--){ if(isprime[i]==1&&isprime[i-2]==1){ printf("%d %d\n",i-2,i); break; } } } return 0; }
a.cc: In function 'int main()': a.cc:18:37: warning: pointer to a function used in arithmetic [-Wpointer-arith] 18 | if(isprime[i]==1&&isprime[i-2]==1){ | ^ a.cc:18:38: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 18 | if(isprime[i]==1&&isprime[i-2]==1){ | ~~~~~~~~~~^~~ a.cc:18:54: warning: pointer to a function used in arithmetic [-Wpointer-arith] 18 | if(isprime[i]==1&&isprime[i-2]==1){ | ^ cc1plus: warning: pointer to a function used in arithmetic [-Wpointer-arith] a.cc:18:55: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 18 | if(isprime[i]==1&&isprime[i-2]==1){ | ~~~~~~~~~~~~^~~
s712858946
p00150
C++
#include "stdio.h" const int MAX_V = 10000; // 1????????§????´???°??¨????????? int prime[MAX_V+1]; // 1????´???°,0????´???°??§????????? int main() { int i, k, n; for(i = 2; i <= MAX_V; i++) { prime[i] = 1; // 2??\???????´???°??¨?????? } for(i = 2; i*i <= MAX_V; i++) { if(prime[i]) { for(k = 2 * i; k <= MAX_V; k += i) { prime[k] = 0; // ?´???°???2?????\???????????°????´???°??§????????? } } } scanf("%d",&n); if (n == 0)break; //while(scanf("%d", &n) != 0) { // int isprime = prime[v]; // if(isprime) printf("%d is a prime number\n", v); // else printf("%d is not a prime number\n", v); int p1; int q1; for(i = n;0 <= i;i--){ if(prime[i] == 1 && prime[i-2] == 1){ //??????????´???° if (q1 <= i) { q1 = i; p1 = i-2; } } } printf("%d %d\n",p1,q1); } return 0; } //????¨??????¨????????????????????????
a.cc: In function 'int main()': a.cc:17:16: error: break statement not within loop or switch 17 | if (n == 0)break; | ^~~~~ a.cc: At global scope: a.cc:34:5: error: expected unqualified-id before 'return' 34 | return 0; | ^~~~~~ a.cc:35:1: error: expected declaration before '}' token 35 | } | ^
s388108877
p00150
C++
#include <stdio.h> int p[10001]; int main(void) { unsigned i,k, n; for (i = 0; i < 10000; i++){ p[i] = 1; } #include <stdio.h> int p[10001]; int isprime(int n) { int i; for(i = 2; i*i <= n ; i++){ if(n%i == 0) return 0; } return 1; } int main(void) { int i, n; int p[10001]; for ( i= 0; i<10001; i++){ p[i] = isprime(i); } while(1){ scanf("%d" , &n); if(n == 0) break; for(i = n ; i > 1;i--){ if(p[i]*p[i -2] ==1) break; } if(n >= 5) printf("%d %d\n",i-2,i); } return 0; }
a.cc: In function 'int main()': a.cc:19:1: error: a function-definition is not allowed here before '{' token 19 | { | ^ a.cc:29:1: error: a function-definition is not allowed here before '{' token 29 | { | ^ a.cc:48:2: error: expected '}' at end of input 48 | } | ^ a.cc:7:1: note: to match this '{' 7 | { | ^
s339808349
p00150
C++
#include "stdio.h.h" //#include "time.h" //?????§??????????´???°????????????????????? // 5<= n <= 10000 //p1=?°????????´???°p2=??§???????´???° void isprime(int n) { scanf("%d",&n); for(int i = 2; i < n; i++) { //??????????§????????????¨??§??¶??°??§??????????´???°??¨?????? if(n % i == 0)return 0; //????????????????????§?´???°??§????????? } return 1; } int main(){ int i,n,p1,q1; // clock_t start, now;//??£?¨? while(1){ scanf("%d",&n); // start = clock(); // ????§??????? if(n == 0)break; for(i = n;0 <= i;i--){ if (isprime(i) == 1 && isprime(i-2)) break; p1 = i-2; q1 = i; } // now = clock(); // ???????????? // printf("%f\n", (double)(now - start) / CLOCKS_PER_SEC);//??¬??? printf("%d %d\n",p1,q1); } }
a.cc:1:10: fatal error: stdio.h.h: No such file or directory 1 | #include "stdio.h.h" | ^~~~~~~~~~~ compilation terminated.
s899661556
p00150
C++
#include<stdio.h> int main(){ const int MAX_V = 100000; int prime[MAX_V+1]; int i, k, v; for(i = 2; i <= MAX_V; i++){ prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++){ if(prime[i]){ for(k = 2 * i; k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &v) != EOF){ if(v == 0) break; for(k = n; k >= 2; k--){ ans = prime[k]; if(ans == 1){ dif = prime[k - 2]; if(dif == 1){ printf("%d %d\n", k - 2, k); break; } } } return 0; }
a.cc: In function 'int main()': a.cc:19:13: error: 'n' was not declared in this scope 19 | for(k = n; k >= 2; k--){ | ^ a.cc:20:7: error: 'ans' was not declared in this scope 20 | ans = prime[k]; | ^~~ a.cc:22:9: error: 'dif' was not declared in this scope 22 | dif = prime[k - 2]; | ^~~ a.cc:30:2: error: expected '}' at end of input 30 | } | ^ a.cc:3:11: note: to match this '{' 3 | int main(){ | ^
s106796349
p00150
C++
#include<stdio.h> int main(){ const int MAX_V = 100000; int prime[MAX_V+1]; int i, k, v, ans, dif; for(i = 2; i <= MAX_V; i++){ prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++){ if(prime[i]){ for(k = 2 * i; k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &v) != EOF){ if(v == 0) break; for(k = n; k >= 2; k--){ ans = prime[k]; if(ans == 1){ dif = prime[k - 2]; if(dif == 1){ printf("%d %d\n", k - 2, k); break; } } } return 0; }
a.cc: In function 'int main()': a.cc:19:13: error: 'n' was not declared in this scope 19 | for(k = n; k >= 2; k--){ | ^ a.cc:30:2: error: expected '}' at end of input 30 | } | ^ a.cc:3:11: note: to match this '{' 3 | int main(){ | ^
s682559489
p00150
C++
#include<stdio.h> int main(){ const int MAX_V = 100000; int prime[MAX_V+1]; int i, k, v, ans, dif; for(i = 2; i <= MAX_V; i++){ prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++){ if(prime[i]){ for(k = 2 * i; k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &v) != EOF){ if(v == 0) break; for(k = v; k >= 2; k--){ ans = prime[k]; if(ans == 1){ dif = prime[k - 2]; if(dif == 1){ printf("%d %d\n", k - 2, k); break; } } } return 0; }
a.cc: In function 'int main()': a.cc:30:2: error: expected '}' at end of input 30 | } | ^ a.cc:3:11: note: to match this '{' 3 | int main(){ | ^
s615345862
p00150
C++
#include<stdio.h> int main(){ const int MAX_V = 100000; int prime[MAX_V+1]; int i, k, v, ans, dif; for(i = 2; i <= MAX_V; i++){ prime[i] = 1; } for(i = 2; i*i <= MAX_V; i++){ if(prime[i]){ for(k = 2 * i; k <= MAX_V; k += i){ prime[k] = 0; } } } while(scanf("%d", &v) != EOF){ if(v == 0) break; for(k = v; k >= 2; k--){ ans = prime[k]; if(ans == 0){ dif = prime[k - 2]; if(dif == 0){ printf("%d %d\n", k - 2, k); break; } } } return 0; }
a.cc: In function 'int main()': a.cc:30:2: error: expected '}' at end of input 30 | } | ^ a.cc:3:11: note: to match this '{' 3 | int main(){ | ^
s233739731
p00150
C++
#include<stdio.h> const int MAX_X = 10000; int prime[10000]; int main(){ int i, k, n; int border[10]; for( i = 2; i <= MAX_X; i++) { prime[i] = 1; } for(i = 2; i*i <= MAX_X; i++){ if(prime[i]) { for(k = 2 * i; k <= MAX_X; k += i){ prime[k] = 0; } } } while(1){ scanf("%d", &n); if( n == 0) break; int max; for( i = n; i >= 2; i--){ if( prime[i]){ if( prime[i - 2]){ max = i; break; } } } printf("%d %d\n", max -2, max); }
a.cc: In function 'int main()': a.cc:35:10: error: expected '}' at end of input 35 | } | ^ a.cc:5:11: note: to match this '{' 5 | int main(){ | ^
s384908452
p00150
C++
#include <bits/stdc++h> using namespace std; const int MAXN = 10100; bool sieve[MAXN] = {true, true}; int main(){ for (int i = 2; i * i < MAXN; i++){ if (sieve[i]) continue; . for (int j = i * i; j < MAXN; j += i) sieve[j] = true; . } . int N; . while (cin >> N, N){ while (sieve[N] or sieve[N - 2]) N--; . cout << N - 2 << " " << N << endl; } return 0; }
a.cc:1:10: fatal error: bits/stdc++h: No such file or directory 1 | #include <bits/stdc++h> | ^~~~~~~~~~~~~~ compilation terminated.
s411373271
p00150
C++
#include <bits/stdc++.h> using namespace std; const int MAXN = 10100; bool sieve[MAXN] = {true, true}; int main(){ for (int i = 2; i * i < MAXN; i++){ if (sieve[i]) continue; . for (int j = i * i; j < MAXN; j += i) sieve[j] = true; . } . int N; . while (cin >> N, N){ while (sieve[N] or sieve[N - 2]) N--; . cout << N - 2 << " " << N << endl; } return 0; }
a.cc: In function 'int main()': a.cc:11:1: error: expected primary-expression before '.' token 11 | . for (int j = i * i; j < MAXN; j += i) sieve[j] = true; | ^ a.cc:11:5: error: expected unqualified-id before 'for' 11 | . for (int j = i * i; j < MAXN; j += i) sieve[j] = true; | ^~~ a.cc:11:25: error: 'j' was not declared in this scope 11 | . for (int j = i * i; j < MAXN; j += i) sieve[j] = true; | ^ a.cc:12:1: error: expected primary-expression before '.' token 12 | . } | ^ a.cc:12:3: error: expected unqualified-id before '}' token 12 | . } | ^ a.cc:13:1: error: expected primary-expression before '.' token 13 | . int N; | ^ a.cc:13:3: error: expected unqualified-id before 'int' 13 | . int N; | ^~~ a.cc:14:1: error: expected primary-expression before '.' token 14 | . while (cin >> N, N){ | ^ a.cc:14:3: error: expected unqualified-id before 'while' 14 | . while (cin >> N, N){ | ^~~~~
s263462154
p00150
C++
#include <math.h> int prime(int n) { int i1, sw, m; m = (int)sqrt((double)n); sw = (n <= 1) ? 0 : 1; for (i1 = 2; i1 <= m && sw > 0; i1++) { if (n%i1 == 0) sw = 0; } return sw; }
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start': (.text+0x17): undefined reference to `main' collect2: error: ld returned 1 exit status
s275845817
p00150
C++
#include <math.h> int prime(int n) { int i1, sw, m; m = (int)sqrt((double)n); sw = (n <= 1) ? 0 : 1; for (i1 = 2; i1 <= m && sw > 0; i1++) { if (n%i1 == 0) sw = 0; } return sw; }
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start': (.text+0x17): undefined reference to `main' collect2: error: ld returned 1 exit status
s593999274
p00150
C++
#include <cstdio> #include <vector> using namespace std; int main() { int maxsize(0); vector<int> input; while (1) { int tmp; cin >> tmp; (maxsize < tmp) ? (maxsize = tmp) : (0); } vector<int> prime, ans; for (int i(1); i <= maxsize; ++i) { for (auto i2(prime.begin()), n2(prime.end()); i2 != n2; ++i2) { if (i % *i2 == 0) { prime.push_back(i); if (i2 != prime.begin()) { if (*(--i2) == i) { ans.push_back(i); } } break; } } } for (auto i(input.begin()), n(input.end()); i != n; ++i) { int out(0); for (auto i2(ans.rbegin()), n2(ans.rend()); i2 != n2; ++i2) { if (*i2 <= *i) { cout << *i2 - 2 << ' ' << *i2 << endl; } } } return 0; }
a.cc: In function 'int main()': a.cc:13:17: error: 'cin' was not declared in this scope 13 | cin >> tmp; | ^~~ a.cc:3:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' 2 | #include <vector> +++ |+#include <iostream> 3 | using namespace std; a.cc:47:33: error: 'cout' was not declared in this scope 47 | cout << *i2 - 2 << ' ' << *i2 << endl; | ^~~~ a.cc:47:33: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' a.cc:47:66: error: 'endl' was not declared in this scope 47 | cout << *i2 - 2 << ' ' << *i2 << endl; | ^~~~ a.cc:3:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>' 2 | #include <vector> +++ |+#include <ostream> 3 | using namespace std;
s082224360
p00150
C++
#include <iostream> #include <vector> using namespace std; int main() { int maxsize(0); vector<int> input; while (1) { int tmp; cin >> tmp; (maxsize < tmp) ? (maxsize = tmp) : (0); } vector<int> prime, ans; for (int i(1); i <= maxsize; ++i) { for (vector<int>::iterator i2(prime.begin()), n2(prime.end()); i2 != n2; ++i2) { if (i % *i2 == 0) { prime.push_back(i); if (i2 != prime.begin()) { if (*(--i2) == i) { ans.push_back(i); } } break; } } } for (vector<int>::iterator i(input.begin()), n(input.end()); i != n; ++i) { int out(*i); for (vector<int>::iterator i2(ans.rbegin()), n2(ans.rend()); i2 != n2; ++i2) { if (*i2 <= out) { cout << (*i2 - 2) << ' ' << (*i2) << endl; } } } return 0; }
a.cc: In function 'int main()': a.cc:43:59: error: no matching function for call to '__gnu_cxx::__normal_iterator<int*, std::vector<int> >::__normal_iterator(std::vector<int>::reverse_iterator)' 43 | for (vector<int>::iterator i2(ans.rbegin()), n2(ans.rend()); i2 != n2; ++i2) | ^ In file included from /usr/include/c++/14/string:48, from /usr/include/c++/14/bits/locale_classes.h:40, from /usr/include/c++/14/bits/ios_base.h:41, from /usr/include/c++/14/ios:44, from /usr/include/c++/14/ostream:40, from /usr/include/c++/14/iostream:41, from a.cc:1: /usr/include/c++/14/bits/stl_iterator.h:1074:9: note: candidate: 'template<class _Iter, class> __gnu_cxx::__normal_iterator<_Iterator, _Container>::__normal_iterator(const __gnu_cxx::__normal_iterator<_Iter, _Container>&) [with <template-parameter-2-2> = _Iter; _Iterator = int*; _Container = std::vector<int>]' 1074 | __normal_iterator(const __normal_iterator<_Iter, _Container>& __i) | ^~~~~~~~~~~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:1074:9: note: template argument deduction/substitution failed: a.cc:43:59: note: 'std::vector<int>::reverse_iterator' {aka 'std::reverse_iterator<__gnu_cxx::__normal_iterator<int*, std::vector<int> > >'} is not derived from 'const __gnu_cxx::__normal_iterator<_Iter, std::vector<int> >' 43 | for (vector<int>::iterator i2(ans.rbegin()), n2(ans.rend()); i2 != n2; ++i2) | ^ /usr/include/c++/14/bits/stl_iterator.h:1067:7: note: candidate: '__gnu_cxx::__normal_iterator<_Iterator, _Container>::__normal_iterator(const _Iterator&) [with _Iterator = int*; _Container = std::vector<int>]' 1067 | __normal_iterator(const _Iterator& __i) _GLIBCXX_NOEXCEPT | ^~~~~~~~~~~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:1067:42: note: no known conversion for argument 1 from 'std::vector<int>::reverse_iterator' {aka 'std::reverse_iterator<__gnu_cxx::__normal_iterator<int*, std::vector<int> > >'} to 'int* const&' 1067 | __normal_iterator(const _Iterator& __i) _GLIBCXX_NOEXCEPT | ~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/14/bits/stl_iterator.h:1063:26: note: candidate: 'constexpr __gnu_cxx::__normal_iterator<_Iterator, _Container>::__normal_iterator() [with _Iterator = int*; _Container = std::vector<int>]' 1063 | _GLIBCXX_CONSTEXPR __normal_iterator() _GLIBCXX_NOEXCEPT | ^~~~~~~~~~~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:1063:26: note: candidate expects 0 arguments, 1 provided /usr/include/c++/14/bits/stl_iterator.h:1038:11: note: candidate: 'constexpr __gnu_cxx::__normal_iterator<int*, std::vector<int> >::__normal_iterator(const __gnu_cxx::__normal_iterator<int*, std::vector<int> >&)' 1038 | class __normal_iterator | ^~~~~~~~~~~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:1038:11: note: no known conversion for argument 1 from 'std::vector<int>::reverse_iterator' {aka 'std::reverse_iterator<__gnu_cxx::__normal_iterator<int*, std::vector<int> > >'} to 'const __gnu_cxx::__normal_iterator<int*, std::vector<int> >&' /usr/include/c++/14/bits/stl_iterator.h:1038:11: note: candidate: 'constexpr __gnu_cxx::__normal_iterator<int*, std::vector<int> >::__normal_iterator(__gnu_cxx::__normal_iterator<int*, std::vector<int> >&&)' /usr/include/c++/14/bits/stl_iterator.h:1038:11: note: no known conversion for argument 1 from 'std::vector<int>::reverse_iterator' {aka 'std::reverse_iterator<__gnu_cxx::__normal_iterator<int*, std::vector<int> > >'} to '__gnu_cxx::__normal_iterator<int*, std::vector<int> >&&' a.cc:43:75: error: no matching function for call to '__gnu_cxx::__normal_iterator<int*, std::vector<int> >::__normal_iterator(std::vector<int>::reverse_iterator)' 43 | for (vector<int>::iterator i2(ans.rbegin()), n2(ans.rend()); i2 != n2; ++i2) | ^ /usr/include/c++/14/bits/stl_iterator.h:1074:9: note: candidate: 'template<class _Iter, class> __gnu_cxx::__normal_iterator<_Iterator, _Container>::__normal_iterator(const __gnu_cxx::__normal_iterator<_Iter, _Container>&) [with <template-parameter-2-2> = _Iter; _Iterator = int*; _Container = std::vector<int>]' 1074 | __normal_iterator(const __normal_iterator<_Iter, _Container>& __i) | ^~~~~~~~~~~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:1074:9: note: template argument deduction/substitution failed: a.cc:43:75: note: 'std::vector<int>::reverse_iterator' {aka 'std::reverse_iterator<__gnu_cxx::__normal_iterator<int*, std::vector<int> > >'} is not derived from 'const __gnu_cxx::__normal_iterator<_Iter, std::vector<int> >' 43 | for (vector<int>::iterator i2(ans.rbegin()), n2(ans.rend()); i2 != n2; ++i2) | ^ /usr/include/c++/14/bits/stl_iterator.h:1067:7: note: candidate: '__gnu_cxx::__normal_iterator<_Iterator, _Container>::__normal_iterator(const _Iterator&) [with _Iterator = int*; _Container = std::vector<int>]' 1067 | __normal_iterator(const _Iterator& __i) _GLIBCXX_NOEXCEPT | ^~~~~~~~~~~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:1067:42: note: no known conversion for argument 1 from 'std::vector<int>::reverse_iterator' {aka 'std::reverse_iterator<__gnu_cxx::__normal_iterator<int*, std::vector<int> > >'} to 'int* const&' 1067 | __normal_iterator(const _Iterator& __i) _GLIBCXX_NOEXCEPT | ~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/14/bits/stl_iterator.h:1063:26: note: candidate: 'constexpr __gnu_cxx::__normal_iterator<_Iterator, _Container>::__normal_iterator() [with _Iterator = int*; _Container = std::vector<int>]' 1063 | _GLIBCXX_CONSTEXPR __normal_iterator() _GLIBCXX_NOEXCEPT | ^~~~~~~~~~~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:1063:26: note: candidate expects 0 arguments, 1 provided /usr/include/c++/14/bits/stl_iterator.h:1038:11: note: candidate: 'constexpr __gnu_cxx::__normal_iterator<int*, std::vector<int> >::__normal_iterator(const __gnu_cxx::__normal_iterator<int*, std::vector<int> >&)' 1038 | class __normal_iterator | ^~~~~~~~~~~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:1038:11: note: no known conversion for argument 1 from 'std::vector<int>::reverse_iterator' {aka 'std::reverse_iterator<__gnu_cxx::__normal_iterator<int*, std::vector<int> > >'} to 'const __gnu_cxx::__normal_iterator<int*, std::vector<int> >&' /usr/include/c++/14/bits/stl_iterator.h:1038:11: note: candidate: 'constexpr __gnu_cxx::__normal_iterator<int*, std::vector<int> >::__normal_iterator(__gnu_cxx::__normal_iterator<int*, std::vector<int> >&&)' /usr/include/c++/14/bits/stl_iterator.h:1038:11: note: no known conversion for argument 1 from 'std::vector<int>::reverse_iterator' {aka 'std::reverse_iterator<__gnu_cxx::__normal_iterator<int*, std::vector<int> > >'} to '__gnu_cxx::__normal_iterator<int*, std::vector<int> >&&'