제출 #1121601

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1121601		vjudge1	Ice Hockey World Championship (CEOI15_bobek)	C++17	100 / 100	362 ms	8684 KiB

bobek

#include <bits/stdc++.h>
using namespace std;
#define int long long

signed main(){
    int n,m;
    cin >> n >> m;
    int aa;
    if(n == 1){
        cin >> aa;
        cout << (aa > m ? 1: 2);
        return 0;
    }
    vector<int> a(n/2),b(n - a.size());
    for(auto &i : a)cin >> i;
    for(auto &i : b)cin >> i;
    vector<int> cvbss;
    for(int mask=0;mask<(1 << a.size());++mask){
        int curr=0;
        for(int i=0;i<a.size();++i){
            if(mask & (1 << i))curr += a[i];
        }
        if(curr > m)continue;
        else cvbss.push_back(curr);
    }
    sort(cvbss.begin(),cvbss.end());
    int cvb=0;
    for(int mask=0;mask < (1 << b.size());++mask){
        int curr = 0;
        for(int i=0;i<b.size();++i){
            if(mask & (1 << i))curr += b[i];
        }
        if(curr > m)continue;
        else cvb = cvb + (upper_bound(cvbss.begin(),cvbss.end(),m - curr) - cvbss.begin());
    }
    cout << cvb;
}

컴파일 시 표준 에러 (stderr) 메시지

bobek.cpp: In function 'int main()':
bobek.cpp:20:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |         for(int i=0;i<a.size();++i){
      |                     ~^~~~~~~~~
bobek.cpp:30:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |         for(int i=0;i<b.size();++i){
      |                     ~^~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10