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p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include<bits/stdc++.h> using namespace std; int main(){ int n, m; cin >> n >> m; vector<int> imos(n + 2, 0); for(int i = 0; i < m; i++){ int c, d; cin >> c >> d; if(c < d){ imos[c]++; imos[d]--; } } for(int i = 1; i <= n + 1; i++){ imos[i] +...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
/************************************************************************* > File Name: 3.cpp > Author: cy > Mail: 1002@qq.com > Created Time: 15/5/13 20:28:00 ************************************************************************/ #include<iostream> #include<cstring> #include <algorithm> #include<...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <iostream> #include <cstdio> #include <algorithm> #include <vector> #include <string> #include <set> #include <map> #include <queue> #include <deque> #include <bitset> #include <numeric> #include <sstream> #include <cmath> #include <cstdlib> #include <cstring> #include <tuple> #include <stack> using namespace...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> using namespace std; typedef long long ll; constexpr int IINF = INT_MAX; void chmin(int &a, int b){a=min(a,b);}; int main() { int n, m; cin >> n >> m; vector<int> a(n+2, n+1); vector<vector<int> > dp(n+2, vector<int>(n+2, IINF/2)); for(int i=0;i<m;i++){ int c, d; ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include<bits/stdc++.h> using namespace std; int main(){ int N, m; cin >> N >> m; vector< bool > shop(N + 1, 0); for(int i = 0; i < m; ++i){ int c, d; cin >> c >> d; fill( shop.begin() + c, shop.begin() + d, true); } cout << N + 1 + count(shop.begin(), shop.end(), true) * 2 << endl; }
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include<bits/stdc++.h> using namespace std; #define fs first #define sc second #define mp make_pair #define pb push_back #define eb emplace_back #define ALL(A) A.begin(),A.end() #define RALL(A) A.rbegin(),A.rend() typedef long long LL; typedef pair<int,int> P; const LL mod=1000000007; const LL LINF=1LL<<62; const LL I...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include<iostream> #include<cstdio> #include<string> #include<cstring> #include<vector> #include<set> #include<list> #include<queue> #include<cmath> #include<functional> #include<algorithm> #define INF (1<<29) #define rep(i,n) for(int i=0;i<(n);i++) using namespace std; struct Range{ int s,e; Range(){} Range(int s...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> #define rep(i, a, n) for(int i = a; i < n; i++) using namespace std; typedef pair<int, int> P; const int INF = 1e9; int dp[510], nxt[510]; int main(){ int n, m; cin >> n >> m; vector<P> d(m); rep(i, 0, m){ cin >> d[i].first >> d[i].second; } sort(d.begin(), d.e...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <iostream> #include <fstream> #include <string> #include <vector> #include <algorithm> #include <queue> #include <stack> #include <iomanip> #include <utility> using namespace std; typedef long long ll; typedef long double ld; typedef pair<ll, ll> pll; int solve(void); int main(void) { while (solve()) { }...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<int, int>; int N, m; int cum[1010]; int main() { cin.tie(0); ios_base::sync_with_stdio(false); cout << fixed << setprecision(10); cin >> N >> m; for (int i = 0; i < m; i++) { int c, d; cin >> c >> d; cum[c]+...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#define _CRT_SECURE_NO_WARNINGS #include"bits/stdc++.h" #ifdef _DEBUG #define DBG(n) n #else #define DBG(n) #endif #define INF 1e9 #define INFLL 1e18 #define EPS 1e-9 #define REP(i,n) for(ll i=0,i##_len=(n);i<i##_len;++i) #define REP1(i,n) for(ll i=1,i##_len=(n);i<=i##_len;++i) #define REPR(i...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(int i = 0; i < (n); i++) #define repp(i, l, r) for(int i = (l); i < (r); i++) #define per(i, n) for(int i = ((n)-1); i >= 0; i--) #define perr(i, l, r) for(int i = ((r)-1); i >= (l); i--) #define all(x) (x).begin(),(x).end() #define MOD 1000000007 #de...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
java
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import static java.lang.Integer.parseInt; /** * Shopping */ public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); Str...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> #define rep(i,n) for(int i = 0; i < n; i++) using namespace std; int n, m; int table[2000]; int ans; int main(){ scanf("%d%d",&n,&m); ans = n+1; rep(i,m){ int c, d; scanf("%d%d",&c,&d); table[c]++; table[d]--; } for(int i = 1; i < 2000; i++) table[i] += table[i-1]; for(int i = ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#define _CRT_SECURE_NO_WARNINGS #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<vi> vvi; typedef pair<int,int> pii; #define all(c) (c).begin(), (c).end() #define loop(i,a,b) for(ll i=a; i<ll(b); i++) #define rep(i,b) loop(i,0,b) #define pb push_back #define eb ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <iostream> using namespace std; int N,M; int r[1010] = {}; int main(){ cin >> N >> M; int c,d; for(int i=1;i<=M;i++){ cin >> c >> d; r[c+1]++; r[d+1]--; } for(int i=1;i<=N;i++) r[i] += r[i-1]; int ans = 0; for(int i=1;i<=N;i++){ if(r[i]>=1) ans += 3;...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i)) #define each(itr,c) for(__typeof(c.begin()) itr=c.begin(); itr!=c.end(); ++itr) #define all(x) (x).begin(),(x).end() #define mp make_pair #define pb push_back #define fi first #define se second typed...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <algorithm> #include <bitset> #include <cctype> #include <complex> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <numeric> #include <queue> #include ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include<cstdio> using namespace std; bool rev[1010]; int main(){ int n,m,c,d,ans; scanf("%d%d",&n,&m); while(m--){ scanf("%d%d",&c,&d); for(int i=c;i<d;i++) rev[i]=true; } ans=n+1; for(int i=1;i<n;i++) if(rev[i]) ans+=2; printf("%d\n",ans); return 0; }
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
java
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m = sc.nextInt(); boolean[] triple = new boolean[n]; for (int i = 0; i < m; i++) { int c = sc.nextInt(); int d = sc.nextInt(); for (int j = c; j <...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include<stdio.h> #include<algorithm> using namespace std; int p[1100]; int main(){ int a,b;scanf("%d%d",&a,&b); for(int i=0;i<a;i++){ int c,d; scanf("%d%d",&c,&d); for(int i=c;i<d;i++)p[i]++; } int ret=a+1; for(int i=1;i<=a;i++)if(p[i])ret+=2; printf("%d\n",ret); }
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <iostream> #include <string> #include <algorithm> #include <vector> #include <utility> #include <cstring> #include <cmath> #include <queue> #include <set> #include <map> using namespace std; #define rep(i,n) for(int i=0; i<n; i++) typedef long long ll; typedef pair<int,int> pii; int main() { int n, m; cin ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> using namespace std; #define ll long long #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rrep(i, n) for (int i = n - 1; i >= 0; i--) void printv(vector<ll> v) { for (ll i : v) cout << i << endl; } int main() { int n, m; cin >> n >> m; vector<int> st(n + 1, 1); rep(...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> using namespace std; const int INF = 1000000000; #define REP(i,s,n) for(int i=(int)(s);i<(int)(n);++i) #define rep(i,n) REP(i, 0, n) typedef long long int i64; typedef pair<int, int> pint; int a[1001]; int main() { int N, M; scanf("%d%d", &N, &M); int c, d; memset(a, 0, sizeof(a)); ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <algorithm> #include <array> #include <cassert> #include <climits> #include <cmath> #include <cstdio> #include <functional> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <tuple> #include <unordered_map> #include <unordered_set> #include <vector> #define REP(i, n...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
java
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.Arrays; import java.util.LinkedList; import java.util.StringTokenizer; public class Main{ public static void main(String[] args) throws IOException { Scanner sc = new Scanner(S...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
java
import java.io.*; import java.util.Arrays; import java.util.Comparator; import java.util.StringJoiner; import java.util.StringTokenizer; import java.util.function.Function; public class Main { static int N, M; static int[] C, D; public static void main(String[] args) { FastScanner sc = new FastSc...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> int main() { int N, m; int c[2048]; int d[2048]; int imos[2048] = {}; std::cin >> N >> m; for(int i = 0; i < m; ++i) { std::cin >> c[i] >> d[i]; } for(int i = 0; i < m; ++i) { imos[c[i]] += 1; imos[d[i]] -= 1; } int t = 0; for(int i = 0; i <= N; ++i) { ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <cstdio> #include <algorithm> using std::sort; using std::max; struct shop{ int l, r; }shops[1000]; int S; bool comp(shop a, shop b){ return a.l < b.l; } int main(){ int N, M; scanf("%d %d", &N, &M); N++; while(M--){ int l, r; scanf("%d %d", &l, &r); if(l < r){ ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> using namespace std; #define LOG(...) fprintf(stderr, __VA_ARGS__) //#define LOG(...) #define FOR(i, a, b) for(int i=(int)(a); i<(int)(b); ++i) #define REP(i, n) for(int i=0; i<(int)(n); ++i) #define ALL(a) (a).begin(), (a).end() #define RALL(a) (a).rbegin(), (a).rend() #define EXIST(s, e) ((...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <algorithm> #include <iostream> #include <vector> using namespace std; int main() { int n, m; cin >> n >> m; vector<pair<int, int>> rng(m); for (auto &p: rng) cin >> p.first >> p.second, p.first--, p.second--; rng.emplace_back(0, 0); rng.emplace_back(n, n); sort(rng.begin(), rng.end()); ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> using namespace std; inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;} template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();} template<class T> inline T sqr(T x) {return x*x;} typedef vector<int> vi; typedef vector<vi> vvi; typed...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int main(){ int N, m; cin >> N >> m; vector<int> c(m), d(m); for (int i = 0; i < m; i++){ cin >> c[i] >> d[i]; } vector<int> cnt(N + 1, 0); for (int i = 0; i < m; i++){ for (int j = c[i]; j < d[i]; j++){ cnt[j]++; } } int ans = N + 1; f...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include<bits/stdc++.h> using namespace std; typedef pair<int,int> P; int n,m,a,b; vector<P> t,u; vector<P> func(vector<P> t){ sort(t.begin(),t.end()); t.push_back(P(1e9,0)); int size=t.size(); vector<P> res; for(int i=0;i+1<size;i++){ if(t[i].second<t[i+1].first){ res.push_back(t[i]); }else{ ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> typedef long long LL; #define SORT(c) sort((c).begin(),(c).end()) #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) using namespace std; int main(void) { int n,m; cin >> n >> m; int bac[1024]={}; REP(i,m){ int c,d; cin >> c >> d; bac[d-1]++; bac[...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include<iostream> #include<list> #include<string> #include<algorithm> #include <utility> #include<stdio.h> #include<climits> using namespace std; int main(void){ int n,m; int c,d; int f[1000] = {}; cin >> n >> m; int i,j; for(i = 0;i < m;i++){ cin >> c >> d; for(j = c;j < d;j+...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include<iostream> using namespace std; int main(){ int n,m; cin >> n >> m; int p[1050]={}; int i,j,k; for(i=0;i<m;i++){ cin >> j >> k; p[j]=max(p[j],k); } int inf = 1<<15; int dp[1050][1050]; fill(dp[0],dp[1049],inf); dp[0][0]=0; i=0; for(j=max(i+1,p[i+1]);j<=n+1;j++){ dp[j][i+1]=mi...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i)) #define each(itr,c) for(__typeof(c.begin()) itr=c.begin(); itr!=c.end(); ++itr) #define all(x) (x).begin(),(x).end() #define mp make_pair #define pb push_back #define fi first #define se second typed...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include"bits/stdc++.h" using namespace std; using ll = int64_t; int main() { ll N, m; cin >> N >> m; vector<ll> restricts(N, -1); for (int i = 0; i < m; i++) { ll c, d; cin >> c >> d; c--; d--; restricts[c] = max(restricts[c], d); } ll ans = 0; ll left = IN...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include<bits/stdc++.h> using namespace std; int n,m; bool b[3000]={}; int main(){ cin>>n>>m; while(m--){ int l,r; cin>>l>>r; for(int i=l;i<r;i++){ b[i]=true; } } int ans=0; for(int i=0;i<n+1;i++){ if(b[i]) ans+=3; else ans++; } cout<<ans<<endl; }
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include "bits/stdc++.h" #include<unordered_map> #include<unordered_set> #pragma warning(disable:4996) using namespace std; using ld = long double; template<class T> using Table = vector<vector<T>>; int main() { int N,m; cin >> N >> m; vector<int>backs(N, false); for (int i = 0; i < m; ++i) { int t, f; cin >> t ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int main(){ int N,M; cin >> N >> M; vector< pair<int,int> > e; int ans = N + 1 ; for(int i = 0 ; i < M ; i++){ int a,b; cin >> a >> b; e.push_back(make_pair(a,b)); } if( M == 0 ){ cout << ans << endl; return 0; } sort(e.begin(),e.end()); int le = e[0]....
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
python3
N, m = map(int, input().split()) v = [0]*N for i in range(m): c, d = map(int, input().split()) v[c-1] += 1 v[d-1] -= 1 s = 0; fst = 0 ans = N+1 for i in range(N): if s == 0 and v[i] > 0: fst = i s += v[i] if s == 0 and v[i] < 0: ans += (i - fst)*2 print(ans)
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> using namespace std; #define int long long // <-----!!!!!!!!!!!!!!!!!!! #define rep(i,n) for (int i=0;i<(n);i++) #define rep2(i,a,b) for (int i=(a);i<(b);i++) #define rrep(i,n) for (int i=(n)-1;i>=0;i--) #define rrep2(i,a,b) for (int i=(b)-1;i>=(a);i--) #define all(a) (a).begin(),(a).end() ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <bits/stdc++.h> #define For(i, a, b) for(int (i)=(int)(a); (i)<(int)(b); ++(i)) #define rFor(i, a, b) for(int (i)=(int)(a)-1; (i)>=(int)(b); --(i)) #define rep(i, n) For((i), 0, (n)) #define rrep(i, n) rFor((i), (n), 0) #define fi first #define se second using namespace std; typedef long long lint; typedef uns...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <iostream> #include <vector> #include <string> #include <cstring> #include <algorithm> #include <sstream> #include <map> #include <set> #define REP(i,k,n) for(int i=k;i<n;i++) #define rep(i,n) for(int i=0;i<n;i++) #define INF 1<<30 #define pb push_back #define mp make_pair using namespace std; typedef long l...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <cstdio> #include <cstring> #include <algorithm> using namespace std; #define MAX 600 struct rest{ int start, end; inline void set(int a, int b){ start = a; end = b; } bool operator < (const rest &a) const { return end < a.end; } } rests[MAX]; int n, m, restlen; bool exist[MAX]; int main(){ int a, b...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include<bits/stdc++.h> using namespace std; #define int long long #define MOD ((int)1e9+7) #define MAX 2000 int N, m, ans; int c[MAX], d[MAX]; int temp[MAX]; signed main(){ cin>>N>>m; for(int i = 0; i < m; i++){ cin>>c[i]>>d[i]; temp[c[i]]++; temp[d[i]]--; } for(int i = 0; i <= N; i++){ ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
#include <cstdio> int n,m; int c[501],d[501]; int cnt[1001]; int main(void){ scanf("%d %d",&n,&m); for(int i=0;i<m;i++){ scanf("%d %d",&c[i],&d[i]); for(int j=c[i];j<d[i];j++){ cnt[j]=1; } } int res=n+1; for(int i=0;i<=n;i++){ res+=cnt[i]*2; } printf("%d\n",res); return 0; }
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
java
import java.util.*; public class Main { Scanner in = new Scanner(System.in); public static void main(String[] args) { new Main(); } public Main(){ new C().doIt(); } class C{ int n,c; ArrayList<Pair> list; void doIt(){ n = in.nextInt(); c = in.nextInt(); list = new ArrayList<Pair>(); for(i...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
CORRECT
cpp
/* * c.cc: */ #include<cstdio> #include<cstdlib> #include<cstring> #include<cmath> #include<iostream> #include<string> #include<vector> #include<map> #include<set> #include<stack> #include<list> #include<queue> #include<deque> #include<algorithm> #include<numeric> #include<utility> #include<complex> #include<functi...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; const int INF = (1 << 30) - 1; const double EPS = 1e-9; const int MOD = 1000000007; int N, M; int main() { ios::sync_with_stdio(false); cin.tie(0); cin >> N >> M; vector<pair<int, int>> v; for (int i = 0; i < (M); i++) { int c, d; cin >> c >> d; v.push...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int main() { long long int N, M, ans = 0; cin >> N >> M; vector<int> data(N + 2); for (size_t i = 0; i < M; i++) { int a, b; cin >> a >> b; if (b > a) { data[a]++; data[b + 1]--; } } for (size_t i = 1; i < N + 2; i++) { data[i] +=...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } template <class T> ostream &operator<<(ostream &os, const ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; const int mod = 1000000007; struct Mod { long long int num; Mod() : num(0) { ; } Mod(long long int n) : num((n % mod + mod) % mod) { ; } operator long long int() { return num; } }; Mod operator+(Mod a, Mod b) { return Mod((a.num + b.num) % mod); } Mod operator-(Mod ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int main() { int n, d, flg[1002] = {}; cin >> n >> d; for (int i = 0; i < d; i++) { int a, b; cin >> a >> b; flg[a] = max(flg[a], b); } int sta = 0, sum = 0, L, R; for (int i = 0; i <= n; i++) { if (flg[i] != 0 && sta == 1) R = max(R, flg[i...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int dfs(int n, vector<vector<int> >& adj) { if ((int)adj[n].size() == 0) return n; int ret = 0; for (int i = 0; i < (int)adj[n].size(); i++) { ret = max(ret, dfs(adj[n][i], adj)); } return ret; } int main() { int n, m; cin >> n >> m; vector<vector<int> >...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> const int INF = 1e9; const double EPS = 1e-8; const double PI = 3.14159; int dx[4] = {0, 1, 0, -1}, dy[4] = {-1, 0, 1, 0}; using namespace std; int main() { int N, m; cin >> N >> m; vector<pair<int, int> > list(m), tmp; for (int i = 0; i < (int)(m); i++) cin >> list[i].second >> list[i]...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int main() { int N, m, c, d; vector<pair<int, int> > V; cin >> N >> m; for (int i = 0; i < m; i++) { cin >> c >> d; V.push_back(make_pair(c, d)); } sort(V.begin(), V.end()); V.push_back(make_pair(1000000001, 1000000001)); for (int i = 0; i < V.size()...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int intervalState(int a, int b, int c, int d) { if (a < c && b < c) return 0; else if (a > d && b > d) return 1; else if (a <= c && d <= b) return 2; else if (c < a && b < d) return 3; else if (a <= c && b < d) return 4; else if (c < a && d <...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; const long long INF = 1107110711071107; long long N, m; vector<pair<long long, long long> > d; long long dp[501][501][1001]; long long dfs(long long pre, long long now, long long n) { if (n == m) { return (now - pre + (N + 1) - pre); } if (dp[pre][now][n] >= 0) re...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } template <class T> ostream &operator<<(ostream &os, const ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
java
import java.util.Arrays; import java.util.Map; import java.util.Scanner; import java.util.Set; import java.util.TreeMap; import java.util.TreeSet; import static java.lang.Math.*; public class Main { class Pair implements Comparable<Pair> { int a; int b; public Pair(int a, int b) { this.a = a; this.b = ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; signed main() { int n, m; cin >> n >> m; vector<pair<int, int> > b(m); for (int i = 0; i < m; i++) cin >> b[i].first >> b[i].second; sort((b).begin(), (b).end()); vector<int> a(n + 2, 0); for (auto e : b) { a[e.first] += 1; a[e.second + 1] += -1; } ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; struct node { int l; int r; } q[555]; bool cmp(node s1, node s2) { if (s1.l == s2.l) return s1.r < s2.r; return s1.l < s2.l; } int main() { int n, m; while (~scanf("%d%d", &n, &m)) { memset(q, 0, sizeof(q)); for (int i = 0; i < m; i++) { scanf("%d%...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
java
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import static java.lang.Integer.parseInt; /** * Shopping */ public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); Str...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; static const double EPS = 1e-9; static const double PI = acos(-1.0); int n, m; vector<pair<int, int> > constraint; bool used[1000]; bool intersect(pair<int, int> lhs, pair<int, int> rhs) { if (lhs.first <= rhs.first && rhs.first <= lhs.second) { return true; } if ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> int n, m, c, d, imos[1001]; int main() { scanf("%d", &n); scanf("%d", &m); for (int i = 0; i < m; i++) { scanf("%d", &c); scanf("%d", &d); imos[c--]++; imos[d--]--; } int ret = n + 2, sum = 0; for (int i = 0; i < n; i++) { sum += imos[i]; if (sum > 0) ret += ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int main() { long long int N, M, ans = 0; cin >> N >> M; vector<int> data(N + 2); for (size_t i = 0; i < M; i++) { int a, b; cin >> a >> b; if (b > a) { data[a]++; data[b + 1]--; } } for (size_t i = 1; i < N + 2; i++) { data[i] +=...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> int n, m, c, d, imos[1001]; int main() { scanf("%d", &n); scanf("%d", &m); for (int i = 0; i < n; i++) { scanf("%d", &c); scanf("%d", &d); imos[c--]++; imos[d--]--; } int ret = n + 2, sum = 0; for (int i = 0; i < n; i++) { sum += imos[i]; if (sum > 0) ret += ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; vector<int> vec[1010]; int a[1010], b[1010], vis[1010]; void dfs(int u) { for (int i = 0; i < vec[u].size(); i++) { int v = vec[u][i]; if (vis[v] == 0) { vis[v] = 1; dfs(v); a[u] = max(a[u], a[v]); } } } int main() { int n, m, u, v; whi...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include<iostream> #include<cstdio> #include<string> #include<cstring> #include<vector> #include<set> #include<list> #include<queue> #include<cmath> #include<functional> #include<algorithm> #define INF (1<<29) #define rep(i,n) for(int i=0;i<(n);i++) using namespace std; struct Range{ int s,e; Range(){} Range(int s...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> const int INF = 1e9; const double EPS = 1e-8; const double PI = 3.14159; int dx[4] = {0, 1, 0, -1}, dy[4] = {-1, 0, 1, 0}; using namespace std; int main() { int N, m; cin >> N >> m; vector<pair<int, int> > list(m), tmp; for (int i = 0; i < (int)(m); i++) cin >> list[i].second >> list[i]...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; const long long INF = 1e12; const long long MOD = 1e9 + 7; long long sq(long long num) { return num * num; } long long mod_pow(long long x, long long n) { if (n == 0) return 1; if (n == 1) return x % MOD; long long res = sq(mod_pow(x, n / 2)); res %= MOD; if (n % ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> #pragma warning(disable : 4996) using namespace std; using ld = long double; template <class T> using Table = vector<vector<T>>; int main() { int N, m; cin >> N >> m; vector<int> backs(N, false); for (int i = 0; i < m; ++i) { int t, f; cin >> t >> f; t--; f--; for (i...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
java
public class Main{ public void run(java.io.InputStream in, java.io.PrintStream out){ java.util.Scanner sc = new java.util.Scanner(in); /*answer*/ int n, m; int[] c, d; int i, j, k, tmp, ans, cmp; n = sc.nextInt(); m = sc.nextInt(); c = new int[m]; d = new int[m]; ans = 0; cmp ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; priority_queue<pair<int, int>, vector<pair<int, int> >, greater<pair<int, int> > > q; long long int res = 0; int main() { int N, m; cin >> N >> m; int t = 1; for (int i = 1; i <= m; i++) { int c, d; cin >> c >> d; q.push(make_pair(c, d...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; const double EPS = 1e-10; const double PI = acos(-1.0); int main() { cin.tie(0); ios_base::sync_with_stdio(false); int N, M; cin >> N >> M; vector<pair<int, int> > ps(M); for (int i = (0); i < (M); ++i) cin >> ps[i].first >> ps[i].second; sort((ps).begin(), (p...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
UNKNOWN
#include <bits/stdc++.h> int main() { int i, j; int d[1001]; for (i = 0; i <= 1000; ++i) { d[i] = 0; } int n, m; scanf("%d", &n); for (i = 0; i <= n; ++i) { d[i] = 1; } scanf("%d", &m); int a, b; for (i = 0; i < m; ++i) { scanf("%d", &a); scanf("%d", &b); for (j = a; j < b; ++j...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int main(void) { int N, M; cin >> N >> M; vector<pair<int, int>> R(M); for (auto &i : R) cin >> i.first >> i.second; sort(R.begin(), R.end()); int ans = 0, now = 0; int c, d; for (auto i = R.begin(); i != R.end();) { c = i->first; d = i->second; ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int main() { int n, m, c, d, l, r, flag, sum; int V[1001] = {0}; cin >> n >> m; for (int i = 0; i < m; i++) { cin >> c >> d; V[c] = max(V[c], d); } l = r = -1; flag = sum = 0; for (int i = 0; i <= n; i++) { if (r == i) sum += 3 * (r - l) + ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; static const int INF = 1e9; static const double PI = acos(-1.0); static const double EPS = 1e-10; inline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v; } template <class T> inline string toString(T x) { ostringstream sout; sout << x; re...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; const int INF = (1 << 30) - 1; const double EPS = 1e-9; const int MOD = 1000000007; int N, M; int main() { ios::sync_with_stdio(false); cin.tie(0); cin >> N >> M; vector<pair<int, int>> v; for (int i = 0; i < (M); i++) { int c, d; cin >> c >> d; v.push...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int n, q, a, b; int x[100000], sum; int main() { cin >> n >> q; for (int i = 0; i < q; i++) { cin >> a >> b; for (int j = a; j < b; j++) { x[j] = 1; } } for (int i = 0; i < n; i++) { sum += 1 + x[i] * 2; } cout << sum << endl; return 0; }...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; const long long INF = 1107110711071107; long long N, m; vector<pair<long long, long long> > d; unordered_map<long long, long long> dp[1001][1001]; long long dfs(long long pre, long long now, long long n) { if (n == m) { return (now - pre + (N + 1) - pre); } if (dp...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; const int MAX_N = 1000; const int MAX_M = 500; pair<int, int> rvs[MAX_M]; int main() { int n, m; cin >> n >> m; for (int i = 0; i < m; i++) cin >> rvs[i].first >> rvs[i].second; sort(rvs, rvs + m); int sum = 0, pci = -1, pdi = -1; for (int i = 0; i < m; i++) { ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; priority_queue<pair<int, int>, vector<pair<int, int> >, greater<pair<int, int> > > q; long long int res = 0; int main() { int N, m; cin >> N >> m; int t = 1; for (int i = 1; i <= m; i++) { int c, d; cin >> c >> d; q.push(make_pair(c, d...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
java
import java.util.Arrays; import java.util.Map; import java.util.Scanner; import java.util.Set; import java.util.TreeMap; import java.util.TreeSet; import static java.lang.Math.*; public class Main { class Pair implements Comparable<Pair> { int a; int b; public Pair(int a, int b) { this.a = a; this.b = ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
UNKNOWN
a[999],m,n,c;main(d){ for(scanf("%d%d",&n,&m);m--;)for(scanf("%d%d",&c,&d);c<d;c++)a[c]=1; for(c=d=0;c<n;c++)d+=a[c]*2; m=!printf("%d\n",d+n+1); }
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int main() { int n, m; cin >> n >> m; vector<pair<int, int> > s; for (int(i) = 0; (i) < (int)(m); ++(i)) { int c, d; scanf(" %d %d", &c, &d); if (c < d) s.push_back(pair<int, int>(c, d)); } sort((s).begin(), (s).end()); int ans = n + 1; int back ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int dfs(int n, vector<vector<int> >& adj) { if ((int)adj[n].size() == 0) return n; int ret = 0; for (int i = 0; i < (int)adj[n].size(); i++) { ret = max(ret, dfs(adj[n][i], adj)); } return ret; } int main() { int n, m; cin >> n >> m; vector<vector<int> >...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int dfs(int n, vector<vector<int> >& adj) { if ((int)adj[n].size() == 0) return n; int ret = 0; for (int i = 0; i < (int)adj[n].size(); i++) { ret = max(ret, dfs(adj[n][i], adj)); } return ret; } int main() { int n, m; cin >> n >> m; vector<vector<int> >...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
UNKNOWN
a[999],n,m,c;main(d){ for(scanf("%d%d",&n,&m);m--;)for(scanf("%d%d",&c,&d);c<d;c++)a[c]=1; for(c=d=0;c<n;c++)d+=a[c]*2; m=!printf("%d\n",d+n+1); }
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; struct ioi { int l, r; } seg[510]; int n, m; bool intersect(ioi a, ioi b) { if (a.l > b.l) swap(a, b); if (b.l <= a.r) return true; else return false; } ioi combine(ioi a, ioi b) { a.l = min(a.l, b.l); a.r = max(a.r, b.r); return a; } int main() { ci...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int main() { int N, m; cin >> N >> m; vector<int> shop(N); for (int i = 0; i < (int)(m); ++i) { int c, d; cin >> c >> d; shop[c - 1]++; shop[d - 1]--; } int res = N + 1; int cnt = 0; int start = -1; for (int i = 0; i < (int)(N); ++i) { ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> const unsigned long long inf = 1LL << 61; const double eps = 1e-5; using namespace std; struct node { int s, e; } a[10000 + 5]; bool cmp(node a, node b) { return a.s < b.s; } vector<node> v; int main() { int n, m; while (cin >> n >> m) { for (int i = 0; i < m; i++) cin >> a[i].s >> a[...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; struct rest { int start, end; inline void set(int a, int b) { start = a; end = b; } bool operator<(const rest &a) const { return end < a.end; } } rests[600]; int n, m, restlen; bool exist[600]; int main() { int a, b; while (scanf("%d%d", &n, &m) == 2) { ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; const long long INF = 1e12; const long long MOD = 1e9 + 7; long long sq(long long num) { return num * num; } long long mod_pow(long long x, long long n) { if (n == 0) return 1; if (n == 1) return x % MOD; long long res = sq(mod_pow(x, n / 2)); res %= MOD; if (n % ...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; int main() { int N, m; cin >> N >> m; vector<bool> select(m, true); vector<pair<int, int>> cd(m); for (int i = 0; i < m; ++i) cin >> cd[i].first >> cd[i].second; sort(cd.begin(), cd.end()); for (int i = 0; i < m; ++i) { if (cd[i].second <= cd[i].first) sel...
p00926 Shopping
Example Input 10 3 3 7 8 9 2 5 Output 23
{ "input": [ "10 3\n3 7\n8 9\n2 5" ], "output": [ "23" ] }
{ "input": [], "output": [] }
IN-CORRECT
cpp
#include <bits/stdc++.h> using namespace std; using ll = long long; using VI = vector<ll>; using VVI = vector<VI>; using PII = pair<ll, ll>; const ll LLINF = (1LL << 60); const ll INF = (1LL << 30); const ll MOD = 1000000007; template <typename T> T &chmin(T &a, const T &b) { return a = min(a, b); } template <typenam...