제출 #975986

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
975986		vjudge1	Pizza (COCI21_pizza)	C++17	50 / 50	1 ms	348 KiB

Main

#include "bits/stdc++.h"
//#include <bits/stdc++.h>
#include <iostream>
#include <vector>
#include <cmath>
#include <math.h>
#include <algorithm>
#include <set>

#define all(i) i.begin(), i.end()
#define rall(i) i.rbegin(), i.rend()

#define int long long
#define fi first
#define se second
const int mod = 1e9+7;
const int Mod = 998244353;
using namespace std;

int f(int a, int b){
    if (b==0) return 1;
    int res=f(a,b/2);
    res=(res*res)%mod;
    if(b&1) res=(res*a)%mod;
    return res;
}

int nCr[21][21];
void pre_compute(){
    nCr[0][0]=1ll;
    for(int i=1;i<21;i++){
        nCr[i][0]=1;
        for(int j=1;j<=i;j++){
            nCr[i][j]=(nCr[i-1][j]+nCr[i-1][j-1])%mod;
        }
    }
}


signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    
    int n, m;
    cin>>n;
    set<int> a; //makanan yang ga disukai
    for(int i=0; i<n; i++) {
        int x;
        cin>>x;
        a.insert(x);
    }
    
//    for(auto it : a){
//        cout<<it<<" ";
//    }
    
    cin>>m;
    int k;
    int ans=0;
    for(int i=0; i<m; i++){
        cin>>k;
        bool suka=true;
        for(int j=0; j<k; j++){
            int s;
            cin>>s;
            if(a.count(s)) suka=false;
        }
        if(suka) ans++;
    }
    cout<<ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10