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답안 #110602

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
110602 2019-05-11T09:54:28 Z tictaccat 여행하는 상인 (APIO17_merchant) C++14
100 / 100
 195 ms 4344 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

const int INF = 2e9;
const int MAX_N = 100;
const int MAX_K = 1000;

int N,M,K;
vector<vector<int>> adj(MAX_N,vector<int>(MAX_N,INF));
vector<vector<int>> d(MAX_N,vector<int>(MAX_N,INF)), v(MAX_N,vector<int>(MAX_N,0));
vector<vector<int>> B(MAX_N, vector<int>(MAX_K)), S(MAX_N, vector<int>(MAX_K));

bool check(int t) {
    vector<vector<int>> dist(N,vector<int>(N));
    for (int k = -1; k < N; k++) {
        for (int i = 0; i < N; i++) {
            for (int j = 0; j < N; j++) {
                if (k == -1) dist[i][j] = t*d[i][j] - v[i][j];
                else dist[i][j] = min(dist[i][j], dist[i][k] + dist[k][j]);
            }
        }
    }
    for (int i = 0; i < N; i++) if (dist[i][i] <= 0) return true;
    return false;
}

main() {

    cin >> N >> M >> K;

    for (int i = 0; i < N; i++) {
        for (int z = 0; z < K; z++) {
            cin >> B[i][z] >> S[i][z];
            if (B[i][z] == -1) B[i][z] = INF;
            if (S[i][z] == -1) S[i][z] = 0;
        }
    }    

    for (int i = 0; i < M; i++) {
        int V,W,P; cin >> V >> W >> P;
        d[V-1][W-1] = P;
    }

    for (int k = 0; k < N; k++) {
        for (int i = 0; i < N; i++) {
            for (int j = 0; j < N; j++) {
                if (i == j) continue;
                d[i][j] = min(d[i][j], d[i][k] + d[k][j]);
            }
        }
    }

    for (int i = 0; i < N; i++) {
        for (int j = 0; j < N; j++) {
            for (int z = 0; z < K; z++) {
                v[i][j] = max(v[i][j],S[j][z] - B[i][z]);
            }
        }
    }

    int t = 0; int high = 2e9;

    for (int b = high/2; b > 0; b /= 2) {
        while (t + b < high && check(t + b)) t += b;
    }

    cout << t << "\n";


    return 0;
}

Compilation message

merchant.cpp:29:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^

Subtask #1
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 177 ms 3320 KB Output is correct
2 Correct 57 ms 2296 KB Output is correct
3 Correct 73 ms 2176 KB Output is correct
4 Correct 12 ms 2176 KB Output is correct
5 Correct 12 ms 2176 KB Output is correct
6 Correct 12 ms 2176 KB Output is correct
7 Correct 16 ms 2176 KB Output is correct
8 Correct 8 ms 2304 KB Output is correct
9 Correct 14 ms 2176 KB Output is correct
10 Correct 12 ms 2176 KB Output is correct
11 Correct 15 ms 2304 KB Output is correct
12 Correct 4 ms 2176 KB Output is correct
13 Correct 13 ms 2176 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 2176 KB Output is correct
2 Correct 12 ms 2176 KB Output is correct
3 Correct 14 ms 2176 KB Output is correct
4 Correct 16 ms 2176 KB Output is correct
5 Correct 18 ms 2304 KB Output is correct
6 Correct 4 ms 2176 KB Output is correct
7 Correct 14 ms 2176 KB Output is correct
8 Correct 17 ms 2176 KB Output is correct
9 Correct 15 ms 2176 KB Output is correct
10 Correct 16 ms 2176 KB Output is correct
11 Correct 17 ms 2252 KB Output is correct
12 Correct 16 ms 2244 KB Output is correct
13 Correct 15 ms 2176 KB Output is correct
14 Correct 15 ms 2176 KB Output is correct
15 Correct 19 ms 2252 KB Output is correct
16 Correct 14 ms 2176 KB Output is correct
17 Correct 16 ms 2304 KB Output is correct
18 Correct 5 ms 2176 KB Output is correct
19 Correct 17 ms 2176 KB Output is correct
20 Correct 18 ms 2176 KB Output is correct
21 Correct 14 ms 2304 KB Output is correct
22 Correct 21 ms 2176 KB Output is correct
23 Correct 15 ms 2176 KB Output is correct
24 Correct 12 ms 2176 KB Output is correct
25 Correct 16 ms 2176 KB Output is correct
26 Correct 8 ms 2304 KB Output is correct
27 Correct 14 ms 2176 KB Output is correct
28 Correct 12 ms 2176 KB Output is correct
29 Correct 15 ms 2304 KB Output is correct
30 Correct 4 ms 2176 KB Output is correct
31 Correct 13 ms 2176 KB Output is correct

Subtask #3
33.0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 74 ms 2376 KB Output is correct
2 Correct 149 ms 3960 KB Output is correct
3 Correct 75 ms 2304 KB Output is correct
4 Correct 69 ms 2560 KB Output is correct
5 Correct 102 ms 2432 KB Output is correct
6 Correct 83 ms 2304 KB Output is correct
7 Correct 16 ms 2304 KB Output is correct
8 Correct 5 ms 2176 KB Output is correct
9 Correct 17 ms 2176 KB Output is correct
10 Correct 18 ms 2176 KB Output is correct
11 Correct 14 ms 2304 KB Output is correct
12 Correct 21 ms 2176 KB Output is correct
13 Correct 15 ms 2176 KB Output is correct

Subtask #4
34.0 / 34.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 2176 KB Output is correct
2 Correct 12 ms 2176 KB Output is correct
3 Correct 14 ms 2176 KB Output is correct
4 Correct 16 ms 2176 KB Output is correct
5 Correct 18 ms 2304 KB Output is correct
6 Correct 4 ms 2176 KB Output is correct
7 Correct 14 ms 2176 KB Output is correct
8 Correct 17 ms 2176 KB Output is correct
9 Correct 15 ms 2176 KB Output is correct
10 Correct 16 ms 2176 KB Output is correct
11 Correct 17 ms 2252 KB Output is correct
12 Correct 16 ms 2244 KB Output is correct
13 Correct 15 ms 2176 KB Output is correct
14 Correct 15 ms 2176 KB Output is correct
15 Correct 19 ms 2252 KB Output is correct
16 Correct 14 ms 2176 KB Output is correct
17 Correct 74 ms 2376 KB Output is correct
18 Correct 149 ms 3960 KB Output is correct
19 Correct 75 ms 2304 KB Output is correct
20 Correct 69 ms 2560 KB Output is correct
21 Correct 102 ms 2432 KB Output is correct
22 Correct 83 ms 2304 KB Output is correct
23 Correct 16 ms 2304 KB Output is correct
24 Correct 5 ms 2176 KB Output is correct
25 Correct 17 ms 2176 KB Output is correct
26 Correct 18 ms 2176 KB Output is correct
27 Correct 14 ms 2304 KB Output is correct
28 Correct 21 ms 2176 KB Output is correct
29 Correct 15 ms 2176 KB Output is correct
30 Correct 63 ms 2304 KB Output is correct
31 Correct 78 ms 2304 KB Output is correct
32 Correct 114 ms 2660 KB Output is correct
33 Correct 77 ms 2332 KB Output is correct
34 Correct 76 ms 2304 KB Output is correct
35 Correct 95 ms 2304 KB Output is correct
36 Correct 169 ms 4088 KB Output is correct
37 Correct 4 ms 2176 KB Output is correct
38 Correct 4 ms 2176 KB Output is correct
39 Correct 83 ms 2272 KB Output is correct
40 Correct 60 ms 2304 KB Output is correct
41 Correct 64 ms 2176 KB Output is correct
42 Correct 68 ms 2304 KB Output is correct
43 Correct 104 ms 2176 KB Output is correct
44 Correct 4 ms 2176 KB Output is correct
45 Correct 19 ms 2304 KB Output is correct
46 Correct 24 ms 2176 KB Output is correct
47 Correct 18 ms 2304 KB Output is correct
48 Correct 167 ms 4232 KB Output is correct
49 Correct 195 ms 4344 KB Output is correct
50 Correct 4 ms 2176 KB Output is correct
51 Correct 177 ms 3320 KB Output is correct
52 Correct 57 ms 2296 KB Output is correct
53 Correct 73 ms 2176 KB Output is correct
54 Correct 12 ms 2176 KB Output is correct
55 Correct 12 ms 2176 KB Output is correct
56 Correct 12 ms 2176 KB Output is correct
57 Correct 16 ms 2176 KB Output is correct
58 Correct 8 ms 2304 KB Output is correct
59 Correct 14 ms 2176 KB Output is correct
60 Correct 12 ms 2176 KB Output is correct
61 Correct 15 ms 2304 KB Output is correct
62 Correct 4 ms 2176 KB Output is correct
63 Correct 13 ms 2176 KB Output is correct