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Submission #329409

# Submission time Handle Problem Language Result Execution time Memory
329409 2020-11-21T05:13:32 Z lohacho Travelling Merchant (APIO17_merchant) C++14
100 / 100
 108 ms 5100 KB 
#include <bits/stdc++.h>

using namespace std;

using LL = long long;
const LL MOD = (LL)1e9 + 7;
LL N, M, k;
LL val[104][1004][3];
LL prof[104][104];
vector<vector<LL>> dis, gr;

void floid(auto&gra){
    for(LL c = 1; c <= N; ++c){
        for(LL a = 1; a <= N; ++a){
            for(LL b = 1; b <= N; ++b){
                gra[a][b] = min(gra[a][b], gra[a][c] + gra[c][b]);
            }
        }
    }
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> N >> M >> k;
    for(LL i = 1; i <= N; ++i){
        for(LL j = 1; j <= k; ++j){
            cin >> val[i][j][1] >> val[i][j][2];
        }
    }
    for(LL i = 1; i <= N; ++i){
        for(LL j = 1; j <= N; ++j){
            for(LL x = 1; x <= k; ++x){
                if(val[i][x][1] != -1 && val[j][x][2] != -1){
                    prof[i][j] = max(prof[i][j], val[j][x][2] - val[i][x][1]);
                }
            }
        }
    }
    dis.resize(N + 4);
    for(LL i = 1; i <= N; ++i){
        dis[i].resize(N + 4);
        for(LL j = 1; j <= N; ++j){
            dis[i][j] = MOD;
        }
    }
    for(LL i = 1, a, b, c; i <= M; ++i){
        cin >> a >> b >> c;
        dis[a][b] = c;
    }
    floid(dis);
    LL low = 0, high = MOD, mid;
    while(low < high){
        mid = (low + high) >> 1; ++mid;
        gr = dis;
        for(LL i = 1; i <= N; ++i){
            for(LL j = 1; j <= N; ++j){
                gr[i][j] = dis[i][j] * mid - prof[i][j];
            }
        }
        floid(gr);
        LL f = 0;
        for(LL i = 1; i <= N; ++i){
            if(gr[i][i] <= 0){
                f = 1;
                break;
            }
        }
        if(f){
            low = mid;
        }
        else{
            high = mid - 1;
        }
    }
    cout << low;
    return 0;
}

Compilation message

merchant.cpp:12:12: warning: use of 'auto' in parameter declaration only available with '-fconcepts'
   12 | void floid(auto&gra){
      |            ^~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 4224 KB Output is correct
2 Correct 40 ms 896 KB Output is correct
3 Correct 40 ms 888 KB Output is correct
4 Correct 6 ms 620 KB Output is correct
5 Correct 6 ms 620 KB Output is correct
6 Correct 6 ms 620 KB Output is correct
7 Correct 7 ms 620 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 6 ms 620 KB Output is correct
10 Correct 6 ms 640 KB Output is correct
11 Correct 6 ms 640 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 7 ms 748 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 620 KB Output is correct
2 Correct 6 ms 620 KB Output is correct
3 Correct 7 ms 748 KB Output is correct
4 Correct 6 ms 748 KB Output is correct
5 Correct 7 ms 748 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 6 ms 620 KB Output is correct
8 Correct 7 ms 768 KB Output is correct
9 Correct 6 ms 620 KB Output is correct
10 Correct 7 ms 748 KB Output is correct
11 Correct 7 ms 748 KB Output is correct
12 Correct 7 ms 748 KB Output is correct
13 Correct 13 ms 620 KB Output is correct
14 Correct 7 ms 620 KB Output is correct
15 Correct 8 ms 748 KB Output is correct
16 Correct 6 ms 620 KB Output is correct
17 Correct 7 ms 748 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 7 ms 748 KB Output is correct
20 Correct 7 ms 748 KB Output is correct
21 Correct 7 ms 748 KB Output is correct
22 Correct 7 ms 620 KB Output is correct
23 Correct 6 ms 748 KB Output is correct
24 Correct 6 ms 620 KB Output is correct
25 Correct 7 ms 620 KB Output is correct
26 Correct 1 ms 492 KB Output is correct
27 Correct 6 ms 620 KB Output is correct
28 Correct 6 ms 640 KB Output is correct
29 Correct 6 ms 640 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 7 ms 748 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 1388 KB Output is correct
2 Correct 98 ms 4864 KB Output is correct
3 Correct 43 ms 1132 KB Output is correct
4 Correct 49 ms 1388 KB Output is correct
5 Correct 47 ms 1388 KB Output is correct
6 Correct 42 ms 1132 KB Output is correct
7 Correct 7 ms 748 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 7 ms 748 KB Output is correct
10 Correct 7 ms 748 KB Output is correct
11 Correct 7 ms 748 KB Output is correct
12 Correct 7 ms 620 KB Output is correct
13 Correct 6 ms 748 KB Output is correct

Subtask #4
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 620 KB Output is correct
2 Correct 6 ms 620 KB Output is correct
3 Correct 7 ms 748 KB Output is correct
4 Correct 6 ms 748 KB Output is correct
5 Correct 7 ms 748 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 6 ms 620 KB Output is correct
8 Correct 7 ms 768 KB Output is correct
9 Correct 6 ms 620 KB Output is correct
10 Correct 7 ms 748 KB Output is correct
11 Correct 7 ms 748 KB Output is correct
12 Correct 7 ms 748 KB Output is correct
13 Correct 13 ms 620 KB Output is correct
14 Correct 7 ms 620 KB Output is correct
15 Correct 8 ms 748 KB Output is correct
16 Correct 6 ms 620 KB Output is correct
17 Correct 46 ms 1388 KB Output is correct
18 Correct 98 ms 4864 KB Output is correct
19 Correct 43 ms 1132 KB Output is correct
20 Correct 49 ms 1388 KB Output is correct
21 Correct 47 ms 1388 KB Output is correct
22 Correct 42 ms 1132 KB Output is correct
23 Correct 7 ms 748 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 7 ms 748 KB Output is correct
26 Correct 7 ms 748 KB Output is correct
27 Correct 7 ms 748 KB Output is correct
28 Correct 7 ms 620 KB Output is correct
29 Correct 6 ms 748 KB Output is correct
30 Correct 41 ms 1004 KB Output is correct
31 Correct 44 ms 1260 KB Output is correct
32 Correct 65 ms 3432 KB Output is correct
33 Correct 43 ms 1348 KB Output is correct
34 Correct 44 ms 1260 KB Output is correct
35 Correct 44 ms 1388 KB Output is correct
36 Correct 102 ms 4844 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 41 ms 1004 KB Output is correct
40 Correct 43 ms 1132 KB Output is correct
41 Correct 42 ms 1132 KB Output is correct
42 Correct 42 ms 1132 KB Output is correct
43 Correct 41 ms 1004 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 8 ms 876 KB Output is correct
46 Correct 8 ms 876 KB Output is correct
47 Correct 8 ms 876 KB Output is correct
48 Correct 104 ms 5100 KB Output is correct
49 Correct 108 ms 5100 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 70 ms 4224 KB Output is correct
52 Correct 40 ms 896 KB Output is correct
53 Correct 40 ms 888 KB Output is correct
54 Correct 6 ms 620 KB Output is correct
55 Correct 6 ms 620 KB Output is correct
56 Correct 6 ms 620 KB Output is correct
57 Correct 7 ms 620 KB Output is correct
58 Correct 1 ms 492 KB Output is correct
59 Correct 6 ms 620 KB Output is correct
60 Correct 6 ms 640 KB Output is correct
61 Correct 6 ms 640 KB Output is correct
62 Correct 1 ms 364 KB Output is correct
63 Correct 7 ms 748 KB Output is correct