text
stringlengths 49
983k
|
|---|
#include <bits/stdc++.h>
using namespace std;
void dfs(int n, char c = 'a', string acc = "a") {
if (acc.size() == n) {
cout << acc << endl;
return;
}
int nc = c > acc.back() ? c : c + 1;
for (char c = 'a'; c <= nc; ++c)
dfs(n, nc, acc + c);
}
int main() {
int n;
cin >> n;
dfs(n);
}
|
#include<bits/stdc++.h>
using namespace std;
#define ll long long
int n;
void solve(char*a,int i, char c)
{
if(i==n)
{
a[i]='\0';
cout<<a<<endl;
return;
}
for(char x='a';x<=c;x++)
{
a[i]=x;
if(x==c)
solve(a,i+1,c+1);
else
solve(a,i+1,c);
}
}
int main()
{
cin>>n;
char a[100];
solve(a,0,'a');
}
|
#include<bits/stdc++.h>
using namespace std;
int n;
void dfs(string s){
if(s.size()>=n){
cout<<s<<endl;
return;
}
char mx='a';
for(int i=0;s[i];i++)
mx=max(mx,s[i]);
for(char c='a';c<=mx+1;c++)
dfs(s+c);
}
int main(){
cin>>n;
dfs("a");
return 0;
}
|
#include<bits/stdc++.h>
using namespace std;
void f(string s,int n,char c) {
char b;
if (n==0) cout<<s<<endl;
else {
for (b='a';b<=c;b++) {
if (b==c) f(s+b,n-1,c+1);
else f(s+b,n-1,c);
}
}
}
int main() {
int n;
cin>>n;
f("",n,'a');
}
|
#include <iostream>
#include <string>
using namespace std;
int n;
void dfs(string s, int k, int m) {
if (k == 0) {
cout << s << endl;
return;
}
for (int i = 0; i <= m; i++) {
dfs(s+char('a'+i), k-1, m);
}
dfs(s+char('a'+m+1), k-1, m+1);
}
int main() {
cin >> n;
dfs("", n, -1);
return 0;
}
|
#include<bits/stdc++.h>
using namespace std;
int n;
void dfs(string s,char watch)
{
if(s.size()==n){
cout<<s<<endl;
return ;
}
for(char i='a';i<watch;i++)
dfs(s+i,watch);
dfs(s+watch,watch+1);
}
int main()
{
cin>>n;
dfs("",'a');
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
#define itn int
typedef long long ll;
int n;
void getans(string sn,char nw){
if(sn.size()==n){
cout<<sn<<'\n';
return;
}
for(char nwi='a';nwi<nw;nwi++){
getans(sn+nwi,nw);
}
getans(sn+nw,nw+1);
}
int main(){
cin>>n;
getans("",'a');
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
int n;
void lia(string s,char c){
if(s.size()==n) cout << s << endl;
else{
for(char i='a';i<=c;i++){
if(c==i) lia(s+i,c+1);
else lia(s+i,c);
}
}
}
int main(){
cin >> n;
lia("",'a');
}
|
#include <bits/stdc++.h>
using namespace std;
int N;
void dfs( string s, char cm )
{
if( s.size() == N ) {
cout << s << endl;
}
else {
for( char c = 'a'; c <= cm; c++ ) {
char cc = cm;
if( c == cm ) cc = cm + 1;
dfs( s + c, cc );
}
}
}
int main()
{
cin >> N;
dfs( "", 'a' );
}
|
#include <bits/stdc++.h>
using namespace std;
int N;
void dfs(string s, char mx){
if(s.length() == N){
printf("%s\n", s.c_str());
}
else{
for(char c='a';c<=mx;c++){
dfs(s+c, ((c==mx) ? (char)(mx+1) : mx));
}
}
}
int main() {
cin >> N;
dfs("", 'a');
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
using ll=long long;
ll N;
void dfs(string s, char mx){
if(s.size()==N)
cout<<s<<endl;
else{
for(char c='a'; c<=mx; c++)
dfs(s+c, c==mx ? mx+1: mx);
}
}
int main(){
cin>>N;
dfs("",'a');
}
|
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
char a[11];
void dfs(int n,int y,int z){
if(y==n){
cout<<a<<endl;
return;
}
for(int i=0;i<=z;i++){
a[y]='a'+i;
if(i==z) dfs(n,y+1,z+1);
else dfs(n,y+1,z);
}
}
int main(void){
int n;
cin>>n;
dfs(n,0,0);
}
|
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int n;
void dfs(int i, string s, char maxc){
if(i == n){
cout << s << endl;
return;
}
for(char c = 'a'; c <= maxc+1; c++){
dfs(i+1, s + c, max(maxc, c));
}
}
int main(){
cin >> n;
dfs(1, "a", 'a');
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
void rec(int n, int k, string s = "") {
if (n == 0) {
cout << s << endl;
return;
}
for (int i = 0; i < k; ++i) {
rec(n - 1, k, s + (char)('a' + i));
}
rec(n - 1, k + 1, s + (char)('a' + k));
}
int main() {
int n;
cin >> n;
rec(n, 0);
}
|
#include<iostream>
#include<string>
using namespace std;
int n;
void fun(int i,char c,string s){
if(i>n) {
cout<<s<<endl;
return;
}
// if(i==1) printf("a");
for(char ch='a';ch<=c;ch+=1) fun(i+1,c,s+ch);
if(i>1) fun(i+1,c+1,s+=c+1);
}
int main(void)
{
cin>>n;
fun(1,'a',"");
return 0;
}
|
#include <iostream>
using namespace std;
int N;
char str[11];
void dfs(int idx, char to){
if(idx == N)
cout << str << endl;
else
for(char c='a'; c<=to; c++){
str[idx] = c;
dfs(idx+1, max((int)to, c+1));
}
}
int main(){
cin >> N;
dfs(0, 'a');
}
|
#include<iostream>
using namespace std;
int N;
void dfs(string s,char mx){
if(s.size()==N)cout<<s<<endl;
else for(char c='a';c<=mx;c++)dfs(s+c,c==mx?char(mx+1):mx);
}
int main(){
cin>>N;
dfs("",'a');
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
int n;
string ans;
void gen(char c)
{
if(ans.size() == n)
printf("%s\n", ans.c_str());
else
{
for(char a = 'a'; a <= c; a++)
{
ans.push_back(a);
gen(a == c ? c + 1 : c);
ans.pop_back();
}
}
}
int main ()
{
cin >> n;
gen('a');
return 0;
}
|
#include <iostream>
using namespace std;
int main()
{int x,y;
cin>>x>>y;
if(x<10&&y<10)
cout<<x*y;
else
cout<<"-1";
}
|
#include<iostream>
using namespace std;
int main()
{ int a,b,ans=-1;
cin>>a>>b;
if((a>0&&a<10)&&(b>0&&b<10))
ans=a*b;
cout<<ans<<endl;
}
|
#include<iostream>
using namespace std;
int main()
{
int a,b;
cin>>a>>b;
if(a<10&&b<10)
cout<<a*b;
else
cout<<"-1";
return 0;
}
|
#include<iostream>
using namespace std;
int main()
{
int A,B;
cin >> A >> B ;
if(A>9 || A<1 || B>9 || B<1)cout<<"-1";
else cout<<A*B;
}
|
#include <bits/stdc++.h>
using namespace std;
int main(){
int a,b,c;
cin >> a >> b;
if(a>9 || b>9)
cout<<-1;
else
{
c=a*b;
cout<<c;
}
}
|
#include<bits/stdc++.h>
using namespace std;
int main(void){
int a,b; cin>>a>>b;
if(max(a,b)>9) cout<<-1; else cout<<a*b;
return 0;
}
|
#include <iostream>
using namespace std;
int main(){
int a, b;
cin >> a >> b;
cout << (a<10 && b<10 ? a*b : -1);
return 0;
}
|
#include <iostream>
int main()
{
int a, b;
std::cin >> a >> b;
std::cout << ((a < 10 && b < 10) ? a * b : -1) << std::endl;
return 0;
}
|
#include<iostream>
using namespace std;
int main()
{
int a,b;
cin>>a>>b;
if(a<=9&&a>=1&&b<=9&&b>=1)
cout<<a*b;
else
cout<<-1;
}
|
#include <iostream>
using namespace std;
int a,b;
int main(){
cin>>a>>b;
if(a<10&&b<10)cout<<a*b;
else cout<<-1;
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
int main()
{
int a, b;
cin >> a >> b;
cout << (a < 10 && b < 10 ? a * b : -1) << endl;
}
|
#include <bits/stdc++.h>
using namespace std;
int main(void){
int A,B; cin>>A>>B;
if(A<10&&B<10) cout<<A*B<<endl;
else cout<<-1<<endl;
}
|
#include<iostream>
using namespace std;
int main(){
int a,b;
cin>>a>>b;
if(a>9||b>9){
cout<<"-1";
}
else{
cout<<a*b;
}
}
|
#include<bits/stdc++.h>
using namespace std;
int a,b;
int main(){
cin>>a>>b;
if(min(a,b)>=1 && max(a,b)<=9)cout<<a*b;
else cout<<-1;
}
|
#include <iostream>
using namespace std;
int main(void){
int a, b;
cin >> a >> b;
cout << (a <= 9 && b <= 9 ? a*b : -1) << endl;
}
|
#include<cstdio>
int n,m;
int main(){
scanf("%d%d",&n,&m);
if(n<=9&&n>=1&&m<=9&&m>=1)printf("%d",n*m);
else printf("-1");
}
|
#include <bits/stdc++.h>
using namespace std;
int main() {
int X, Y; cin >> X >> Y;
cout << ((X < 10 && Y < 10) ? X * Y : -1) << endl;
}
|
#include<iostream>
using namespace std;
int main(){
int a,b;
cin>>a>>b;
if(a >= 1 && a<=9 && b<=9 && b >= 1)cout<<a*b;
else cout<<-1;
}
|
#include <iostream>
using namespace std;
int main() {
int a,b;
cin>>a>>b;
if((a>9) or (b>9)) cout<<"-1";
else cout<<(a*b);
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
int main(){
int a, b;
cin>>a>>b;
if(a>9 or b>9) cout<<-1;
else cout<<a*b;
return 0;
}
|
#import<iostream>
int main(){int a,b;std::cin>>a>>b;std::cout<<(a>9||b>9?-1:a*b);}
|
#include<iostream>
using namespace std;
int main() {
int a,b;
cin>>a>>b;
if(a>9||b>9)cout<<"-1\n";
else cout<<a*b<<'\n';
}
|
#import<iostream>
int main(){int A,B;std::cin>>A>>B;std::cout<<(A>9|B>9?-1:A*B);}
|
#include <bits/stdc++.h>
using namespace std;
int main(){
int a,b;
cin>>a>>b;
if(1<=a&&a<=9&&1<=b&&b<=9)cout<<a*b;
else cout<<-1;
return 0;
}
|
#include<bits/stdc++.h>
using namespace std;
int a=-1;
int b,c;
int main(){
cin>>b>>c;
if(b<=9&&b>=1&&c<=9&&c>=1)a=b*c;
cout<<a<<endl;
}
|
#include <stdio.h>
int a, b;
int main() {
scanf("%d%d", &a, &b);
if (a < 10 && b < 10)printf("%d\n", a * b);
else printf("-1\n");
}
|
#include <bits/stdc++.h>
using namespace std;
int main() {
int a, b;
cin >> a >> b;
cout << (a < 10 && b < 10 ? a * b : -1);
return 0;
}
|
#include<stdio.h>
int main() {
int a, b;
scanf("%d %d", &a, &b);
if(a> 9 || b > 9)
printf("-1\n");
else
printf("%d\n", a*b);
}
|
#include<bits/stdc++.h>
using namespace std;
int a,b;
int main()
{
scanf("%d%d",&a,&b);
printf("%d\n",a<10&&b<10?a*b:-1);
}
|
#include<bits/stdc++.h>
using namespace std;
int main(){
int a,b;
cin>>a>>b;
if(a<=9 && b<=9) cout<<a*b;
else cout<<"-1";
return 0;
}
|
#include<bits/stdc++.h>
using namespace std;
int main(){
int a,b; cin >>a >>b;
if(a<10 && b<10) cout <<a*b;
else cout <<"-1";
return 0;
}
|
#include <iostream>
using namespace std;
int main() {
int a, b;
cin >> a >> b;
cout << ((a > 9 || b > 9) ? -1 : a * b);
}
|
#include <bits/stdc++.h>
using namespace std;
int main(){
int A,B; cin>>A>>B;
cout << ( (A<10 && B<10) ? A*B: -1);
}
|
#include <iostream>
using namespace std;
int main(){
int a,b;
cin>>a>>b;
if(a>9||b>9)
cout<<(-1);
else
cout<<(a*b);
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
int main(){
int a,b;
cin >> a >>b;
if(a<=9&&a>=1&&b>=1&&b<=9)cout << a*b;
else cout << -1;
}
|
#include <bits/stdc++.h>
using namespace std;
int main(){
int A,B;
cin>>A>>B;
if(A>9||B>9)
cout<<"-1"<<endl;
else
cout<<A*B<<endl;
}
|
#include <bits/stdc++.h>
using namespace std;
int main(){
int A, B;
cin >> A >> B;
cout << (A>9||B>9?-1:A*B) << endl;
return 0;
}
|
#include<iostream>
using namespace std;
int a,b;
int main()
{
scanf("%d%d",&a,&b);
if(a>9||b>9)puts("-1");
else printf("%d",a*b);
return 0;
}
|
#include<bits/stdc++.h>
using namespace std;
int a,b;
int main(){
cin>>a>>b;
if(a>9||b>9) cout<<-1;
else cout<<a*b;
return 0;
}
|
#include<iostream>
using namespace std;
int main(){
int a,b;
cin>>a>>b;
if(a<=9 && b<=9)
cout<<a*b;
else
cout<<-1;
return 0;
}
|
#include <iostream>
int main() {
int a, b; std::cin >> a >> b;
if(a >= 10 || b>= 10) std::cout << "-1";
else std::cout << a*b;
return 0;
}
|
#include <cstdio>
int main() {
int A, B;
scanf("%d %d", &A, &B);
if (A <= 9 && B <= 9) return !printf("%d\n", A*B);
puts("-1");
}
|
#include<iostream>
using namespace std;
int main()
{
int a,b;
cin>>a>>b;
if(a<=9&&b<=9) cout<<a*b;
else cout<<"-1";
}
|
#include <iostream>
using namespace std;
int main(){
int a,b;
cin >> a >> b;
(a>=10 || b>=10) ? cout << -1 << '\n' : cout << a*b << '\n';
}
|
#include <bits/stdc++.h>
int a,b;
int main(){
scanf("%d%d",&a,&b);
if(a>=1 && a<=9 && b>=1 && b<=9){
printf("%d\n",a*b);
} else puts("-1");
}
|
#include <iostream>
using namespace std;
int a,b;
int main()
{
cin>>a>>b;
if (a<=9 && b<=9) cout<<a*b;
else cout<<-1;
}
|
#include<bits/stdc++.h>
using namespace std;
int main()
{
int x,y;
cin>>x>>y;
if(x>9||y>9)cout<<-1<<endl;
else
cout<<(x*y)<<endl;
}
|
#include <bits/stdc++.h>
using namespace std;
int main(){
int n,m;
cin>>n>>m;
if(n<=9&&m<=9) cout<<n*m;
else cout<<-1;
return 0;
}
|
#include <stdio.h>
int main()
{
int A,B,re;
scanf("%d %d",&A,&B);
if(A > 9 || B >9)re = -1;
else re = A * B;
printf("%d",re);
return 0;
}
|
#include<iostream>
using namespace std;
int main(){
int a,b;
cin>>a>>b;
if(1<=a && a<=9 && 1<=b && b<=9) cout<<a*b;
else cout<<-1;
}
|
#include<stdio.h>
int main()
{
int a,b;
while(~scanf("%d%d",&a,&b))
{
if(a>=10||b>=10)
printf("-1\n");
else
printf("%d\n",a*b);
}
}
|
#include <bits/stdc++.h>
using namespace std;
int main()
{
int a, b;
cin >> a >> b;
cout << (max(a, b) > 9 ? -1 : a * b) << endl;
}
|
#include <bits/stdc++.h>
using namespace std;
int main()
{
int a, b;
cin >> a >> b;
cout << (a < 10 && b < 10 ? a * b : -1);
}
|
#include<bits/stdc++.h>
using namespace std;
int main(){
int a,b;
cin>>a>>b;
cout<<(a<=9&&b<=9?a*b:-1)<<endl;
}
|
#include<iostream>
using namespace std;
int a,b;
int main(){
cin>>a>>b;
if (a<=9&&a>=1&&b<=9&&b>=1) cout<<a*b;
else cout<<"-1";
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
int main()
{int A, B; cin >> A >> B;
cout << (A <= 9 and B <= 9 ? A * B : -1) << endl;}
|
#include<iostream>
using namespace std;
int main(){
int x,y;
cin>>x>>y;
if(x>=10||y>=10)
cout<<-1<<endl;
else
cout<<x*y<<endl;
}
|
#include<iostream>
using namespace std;
long long n,a,b,c;
int main()
{
cin>>a>>b;
if(a>9 ||b>9)
cout<<-1<<endl;
else
cout<<a*b<<endl;
}
|
#import<iostream>
int main(){int A,B;std::cin>>A>>B;printf("%d",(A>9|B>9)?-1:A*B);}
|
#include<bits/stdc++.h>
using namespace std;
int main()
{
int a,b;cin>>a>>b;(a<=9&&b<=9)?cout<<a*b<<endl:cout<<-1<<endl;
}
|
#include<iostream>
using namespace std;
int main(){
int A, B;
cin >> A >> B;
cout << (A>9 || B>9 ? -1 : A*B) << endl;
return 0;
}
|
#include <iostream>
using namespace std;
int a,b,c;
int main()
{
cin>>a>>b;
if (a>9||b>9){
printf("-1");
}else{
c=a*b;
cout<<c;
}
}
|
#include <iostream>
using namespace std;
int n, m;
int main() {
cin>>n>>m;
if (n>9 or m>9) cout<<-1<<endl;
else cout<<n*m<<endl;
}
|
#include<stdio.h>
int main()
{
int A,B;
scanf("%d %d",&A,&B);
if(A>9||B>9)
printf("-1\n");
else
printf("%d\n",A*B);
return 0;
}
|
#include<stdio.h>
int main(){
int a,b;
scanf("%d",&a);
scanf("%d",&b);
if(a<=9&&b<=9) printf("%d\n",a*b);
else printf("%d\n",-1);
}
|
#include <iostream>
using namespace std;
int main ()
{
int a,b;
cin>>a>>b;
if (1<=a and 1<=b and a<=9 and b<=9)
cout <<a*b;
else cout <<-1;
}
|
#include<iostream>
using namespace std;
int main(){
int x,y,z;
cin>>x>>y;
if(x>9||y>9)cout<<-1;
else{
z=x*y;
cout<<z;
}
return 0;}
|
#include <iostream>
using namespace std;
int main()
{
int A, B;
cin >> A >> B;
cout << (A < 10 && B < 10 ? A*B : -1) << endl;
}
|
#include<bits/stdc++.h>
using namespace std;
int n, m;
int main(){
scanf("%d%d", &n, &m);
printf("%d\n", n < 10 && m < 10 ? n*m : -1);
}
|
#include<bits/stdc++.h>
using namespace std;
int main()
{
int a,b;
cin>>a>>b;
if((a>=1&&a<=9)&&(b>=1&&b<=9)) cout<<a*b;
else cout<<-1;
}
|
#include <bits/stdc++.h>
using namespace std;
int main(){
int A,B;
cin>>A>>B;
if(A>0&&A<10&&B>0&&B<10){
cout<<A*B<<endl;
}
else
cout<<-1<<endl;
}
|
#include <bits/stdc++.h>
using namespace std;
int a,b;
int main(){
cin>>a>>b;
if(a>9||b>9)cout<<-1<<endl;
else cout<<(a*b)<<endl;
}
|
#include<iostream>
int main(){
int a,b;
std::cin>>a>>b;
if(a<10&&b<10)std::cout<<a*b;
else std::cout<<-1;
}
|
#include<iostream>
using namespace std;
int main(){
int a, b;
cin>>a>>b;
int ans=a*b;
if(a>9||b>9)ans=-1;
cout<<ans<<endl;
}
|
#include <iostream>
int main() {
int a, b;
std::cin >> a >> b;
std::cout << (a < 10 && b < 10 ? a * b : -1) << std::endl;
}
|
#include <stdio.h>
int main(){
int a,b;
scanf("%d %d",&a,&b);
if(a <= 9 && b <= 9){
printf("%d",a*b);
}else{
printf("%d",-1);
}
}
|
#include <bits/stdc++.h>
using namespace std;
int main() {
int A,B,C;
cin>>A>>B;
if(A<10 && B<10) C=A*B;
else C=-1;
cout<<C<<endl;
}
|
#include<iostream>
using namespace std;
int main()
{
int A,B;
cin >> A >> B;
if(A>=10||B>=10)
cout << -1;
else
cout << A*B;
}
|
#include <bits/stdc++.h>
using namespace std;
int main()
{
int a,b;
cin>>a>>b;
int c=-1;
if(a<10&&b<10)c=a*b;
cout<<c<<endl;
return 0;
}
|
#include<iostream>
using namespace std;
int main()
{
int a,b;
cin>>a>>b;
if(a>9||b>9)
cout<<"-1";
else
cout<<a*b;
}
|
#include<iostream>
using namespace std;
int main(){
int A,B;
cin>>A>>B;
if(A>=10||B>=10)cout<<-1;
else cout<<A*B;
return 0;
}
|
#include <iostream>
using namespace std;
int main(){
int a,b;
cin>>a>>b;
if(a<=9 and b<=9)
cout<<a*b;
else
cout<<-1;
}
|
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.