Submission #77955

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
77955	2018-10-01 11:53:58	aquablitz11	Travelling Merchant (APIO17_merchant)	C++14	100 / 100	122 ms	9500 KiB

merchant

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 110;
const int T = 1010;
const ll INF = 1e18;
int n, m, t;
int B[N][T], S[N][T];
ll pro[N][N], dist[N][N], A[N][N];
bool check(ll r)
{
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j)
            A[i][j] = pro[i][j]-dist[i][j]*r;
        A[i][i] = -INF;
    }
    for (int k = 1; k <= n; ++k) {
        for (int i = 1; i <= n; ++i) {
            for (int j = 1; j <= n; ++j)
                A[i][j] = max(A[i][j], A[i][k]+A[k][j]);
        }
    }
    /*printf("check(%lld):\n", r);
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j)
            printf("%lld ", A[i][j]);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

merchant.cpp: In function 'int main()':
merchant.cpp:43:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &n, &m, &t);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
merchant.cpp:47:18: 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:61:14: 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: 12 / 12
• Subtask 2: 21 / 21
• Subtask 3: 33 / 33
• Subtask 4: 34 / 34