제출 #50085

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
50085		mohammad_kilani	여행하는 상인 (APIO17_merchant)	C++17	0 / 100	27 ms	616 KiB

merchant

#include <bits/stdc++.h>
using namespace std;
#define mod 1000000007
#define oo 1000000000
const int N = 150;
int dist[N][N] ; 
int b[N][N] , s[N][N];
int n , m , k , u , v , w;
int main() {
    scanf("%d%d%d",&n,&m,&k);
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            if(i != j)
                dist[i][j] = oo;
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=k;j++){
            scanf("%d%d",&b[i][j],&s[i][j]);
        }
    }
    for(int i=0;i<m;i++){
        scanf("%d%d%d",&u,&v,&w);
        dist[u][v] = min(dist[u][v],w);
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            for(int k=1;k<=n;k++){
                dist[j][k] = min(dist[j][k], dist[j][i] + dist[i][k]);
            }
        }
    }
    int ans = 0;
    for(int i=1;i<=k;i++){
        for(int j=2;j<=n;j++){
            if(b[1][i] != -1 && s[j][i] != -1)
                ans = max(ans, (s[j][i] -  b[1][i]) / (dist[1][j] + dist[j][1]));
        }
    }
    cout << ans << endl;
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

merchant.cpp: In function 'int main()':
merchant.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d",&n,&m,&k);
     ~~~~~^~~~~~~~~~~~~~~~~~~
merchant.cpp:19:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d%d",&b[i][j],&s[i][j]);
             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
merchant.cpp:23:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d",&u,&v,&w);
         ~~~~~^~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 12
• Subtask 2: 0 / 21
• Subtask 3: 0 / 33
• Subtask 4: 0 / 34