제출 #1163005

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1163005		SmuggingSpun	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++20	17 / 100	73 ms	98376 KiB

sortbooks

#include<bits/stdc++.h>
#define taskname "B"
using namespace std;
int n, m;
namespace sub12{
    void solve(){
        vector<int>w(n + 1);
        for(int i = 1; i <= n; i++){
            cin >> w[i];
        }
        vector<vector<int>>dp(n + 1, vector<int>(n + 1));
        for(int i = 1; i <= n; i++){
            dp[i][i] = 0;
            int prev_max = w[i];
            for(int j = i + 1; j <= n; j++){
                if(w[j] >= prev_max){
                    dp[i][j] = dp[i][j - 1];
                    prev_max = w[j];
                }
                else{
                    dp[i][j] = max(dp[i][j - 1], w[j] + prev_max);
                }
            }
        }
        for(int _ = 0; _ < m; _++){
            int l, r, k;
            cin >> l >> r >> k;
            cout  << int(k >= dp[l][r]) << "\n";
        }
    }
}
int main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    if(fopen(taskname".inp", "r")){
        freopen(taskname".inp", "r", stdin);
    }
    cin >> n >> m;
    if(max(n, m) <= 5000){
        sub12::solve();
    }
}

컴파일 시 표준 에러 (stderr) 메시지

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:35:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |         freopen(taskname".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 9 / 9
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 30
• Subtask 6: 0 / 23