제출 #135001

#제출 시각아이디문제언어결과실행 시간메모리
135001wzy여행하는 상인 (APIO17_merchant)C++11
12 / 100
147 ms1912 KiB
#include <bits/stdc++.h> using namespace std; const int N = 105; const int K = 1005; #define pii pair<int,int> #define F first #define S second #define pb push_back #define mp make_pair typedef long long ll; int n , m , k; ll b[N][K] , s[N][K]; ll dist[N][N]; int32_t main(){ scanf("%d%d%d" , &n , &m , &k); for(int i = 0 ; i < n; i++){ for(int j = 0 ; j < k ; j++){ scanf("%lld%lld" , &b[i][j], & s[i][j]); if(b[i][j] == -1){ b[i][j] = (ll) 1e9 + (ll) 1e9; } if(s[i][j] == -1){ s[i][j] = - (ll) 1e9 - (ll) 1e9; } } } for(int i = 0 ; i < N ; i ++){ for(int j = 0 ; j < N ; j ++ ){ dist[i][j] = (ll) 1e15; } dist[i][i] = 0; } for(int i = 0 ; i < m ; i ++){ int u , v, x; scanf("%d%d%d" , &u , & v , &x); u-- , v--; assert(u >= 0 && v >= 0); dist[u][v] = min(dist[u][v] , (ll) x); } for(int i = 0 ; i < n; i ++ ){ for(int j = 0 ; j < n ; j ++){ for(int kx = 0 ; kx < n ; kx ++){ dist[j][kx] = min(dist[j][i] + dist[i][kx] , dist[j][kx]); } } } long long int ans = 0; for(int i = 0 ; i < n; i ++){ for(int j = 0 ; j < n ; j ++){ if(j == i) continue; long long int U = dist[i][j] + dist[j][i]; for(int x = 0 ; x < k ; x++){ long long int C = -b[i][x] + s[j][x]; ans = max(ans , C/U); } } } cout<<ans<<endl; }

컴파일 시 표준 에러 (stderr) 메시지

merchant.cpp: In function 'int32_t main()':
merchant.cpp:15:7: 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:18:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%lld%lld" , &b[i][j], & s[i][j]);
    ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
merchant.cpp:35:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d" , &u , & v  , &x);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...