제출 #57392

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
57392	2018-07-14 19:34:50	gabrielsimoes	여행하는 상인 (APIO17_merchant)	C++17	100 / 100	201 ms	2428 KiB

merchant

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#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;
typedef long long ll;
const int MAXN = 101, MAXM = 9901, MAXK = 1001;
int N, M, K;
ll buy[MAXN][MAXK];
ll sell[MAXN][MAXK];
ll maxAns = 0;
bool reaches[MAXN][MAXN];
ll d[MAXN][MAXN];
ll gain[MAXN][MAXN];
ll dist[MAXN][MAXN];
bool ok[MAXN];
bool testPosCycle(ll x) {
    for (int i = 1; i <= N; i++) {
        for (int j = 1; j <= N; j++) {
            dist[i][j] = gain[i][j] - x * d[i][j];
        }
    }
    for (int k = 1; k <= N; k++) {
        for (int i = 1; i <= N; i++) {
            for (int j = 1; j <= N; j++) {
                if (i != j && reaches[i][k] && reaches[k][j]) {
                    dist[i][j] = max(dist[i][j], dist[i][k] + dist[k][j]);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

merchant.cpp: In function 'int main()':
merchant.cpp:48:10: 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:51:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%lld%lld", &buy[i][k], &sell[i][k]);
             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
merchant.cpp:56:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d", &a, &b, &c);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~

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