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답안 #748670

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
748670 2023-05-26T17:42:52 Z snpmrnhlol 여행하는 상인 (APIO17_merchant) C++17
100 / 100
 87 ms 4252 KB 
#include <iostream>
using namespace std;
typedef long long ll;
const ll N = 1e2,K = 1e3;
const ll inf = 1e9;
ll b[N][K],s[N][K],d[N][N];
ll p[N][N],p2[N][N];
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll n,m,k,i,j,u,w,x,l;
    cin>>n>>m>>k;
    for(i = 0;i < n;i++){
        for(j = 0;j < n;j++)d[i][j] = inf;
        for(j = 0;j < k;j++){
            cin>>b[i][j]>>s[i][j];
        }
    }
    for(i = 0;i < m;i++){
        cin>>u>>w>>x;w--;u--;
        d[u][w] = x;
    }
    for(i = 0;i < n;i++){
        for(j = 0;j < n;j++){
            for(l = 0;l < n;l++){
                d[j][l] = min(d[j][l],d[j][i] + d[i][l]);
            }
        }
    }
    for(i = 0;i < n;i++){
        for(j = 0;j < n;j++){
            for(l=  0;l < k;l++){
                if(b[i][l] == -1 || s[j][l] == -1)continue;
                p2[i][j] = max(p2[i][j],s[j][l] - b[i][l]);
            }
        }
    }
    ll lef = 0,r = inf;
    while(lef != r){
        ll mij = (lef + r + 1)/2;
        for(i = 0;i < n;i++){
            for(j = 0;j < n;j++){
                p[i][j] = -d[i][j]*mij + p2[i][j];
            }
        }
        for(i = 0;i < n;i++){
            for(j = 0;j < n;j++){
                for(l = 0;l < n;l++){
                    p[j][l] = max(p[j][l],p[j][i] + p[i][l]);
                }
            }
        }
        bool ok = 0;
        for(i = 0;i < n;i++)if(p[i][i] >= 0){
            ok = 1;
        }
        if(ok)lef = mij;
        else r = mij - 1;
    }
    cout<<lef;
    return 0;
}

Subtask #1
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 54 ms 1964 KB Output is correct
2 Correct 32 ms 1236 KB Output is correct
3 Correct 33 ms 1236 KB Output is correct
4 Correct 6 ms 852 KB Output is correct
5 Correct 6 ms 732 KB Output is correct
6 Correct 5 ms 812 KB Output is correct
7 Correct 5 ms 816 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 5 ms 724 KB Output is correct
10 Correct 6 ms 724 KB Output is correct
11 Correct 5 ms 724 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 6 ms 852 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 812 KB Output is correct
2 Correct 5 ms 816 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 5 ms 724 KB Output is correct
5 Correct 6 ms 724 KB Output is correct
6 Correct 5 ms 724 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 6 ms 852 KB Output is correct
9 Correct 6 ms 852 KB Output is correct
10 Correct 6 ms 852 KB Output is correct
11 Correct 7 ms 852 KB Output is correct
12 Correct 5 ms 852 KB Output is correct
13 Correct 6 ms 904 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 5 ms 852 KB Output is correct
16 Correct 5 ms 852 KB Output is correct
17 Correct 5 ms 852 KB Output is correct
18 Correct 5 ms 852 KB Output is correct
19 Correct 6 ms 852 KB Output is correct
20 Correct 6 ms 852 KB Output is correct
21 Correct 5 ms 768 KB Output is correct
22 Correct 5 ms 872 KB Output is correct
23 Correct 6 ms 892 KB Output is correct
24 Correct 5 ms 724 KB Output is correct
25 Correct 6 ms 852 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 7 ms 852 KB Output is correct
28 Correct 6 ms 852 KB Output is correct
29 Correct 6 ms 900 KB Output is correct
30 Correct 7 ms 852 KB Output is correct
31 Correct 5 ms 852 KB Output is correct

Subtask #3
33.0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 852 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 7 ms 852 KB Output is correct
4 Correct 6 ms 852 KB Output is correct
5 Correct 6 ms 900 KB Output is correct
6 Correct 7 ms 852 KB Output is correct
7 Correct 5 ms 852 KB Output is correct
8 Correct 38 ms 1508 KB Output is correct
9 Correct 79 ms 2100 KB Output is correct
10 Correct 34 ms 1412 KB Output is correct
11 Correct 39 ms 1492 KB Output is correct
12 Correct 38 ms 1492 KB Output is correct
13 Correct 36 ms 1364 KB Output is correct

Subtask #4
34.0 / 34.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 852 KB Output is correct
2 Correct 6 ms 852 KB Output is correct
3 Correct 7 ms 852 KB Output is correct
4 Correct 5 ms 852 KB Output is correct
5 Correct 6 ms 904 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 5 ms 852 KB Output is correct
8 Correct 5 ms 852 KB Output is correct
9 Correct 5 ms 852 KB Output is correct
10 Correct 5 ms 852 KB Output is correct
11 Correct 6 ms 852 KB Output is correct
12 Correct 6 ms 852 KB Output is correct
13 Correct 5 ms 768 KB Output is correct
14 Correct 5 ms 872 KB Output is correct
15 Correct 6 ms 892 KB Output is correct
16 Correct 5 ms 724 KB Output is correct
17 Correct 38 ms 1508 KB Output is correct
18 Correct 79 ms 2100 KB Output is correct
19 Correct 34 ms 1412 KB Output is correct
20 Correct 39 ms 1492 KB Output is correct
21 Correct 38 ms 1492 KB Output is correct
22 Correct 36 ms 1364 KB Output is correct
23 Correct 6 ms 852 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 7 ms 852 KB Output is correct
26 Correct 6 ms 852 KB Output is correct
27 Correct 6 ms 900 KB Output is correct
28 Correct 7 ms 852 KB Output is correct
29 Correct 5 ms 852 KB Output is correct
30 Correct 54 ms 1964 KB Output is correct
31 Correct 32 ms 1236 KB Output is correct
32 Correct 33 ms 1236 KB Output is correct
33 Correct 6 ms 852 KB Output is correct
34 Correct 6 ms 732 KB Output is correct
35 Correct 5 ms 812 KB Output is correct
36 Correct 5 ms 816 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 5 ms 724 KB Output is correct
39 Correct 6 ms 724 KB Output is correct
40 Correct 5 ms 724 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 6 ms 852 KB Output is correct
43 Correct 34 ms 1364 KB Output is correct
44 Correct 40 ms 1512 KB Output is correct
45 Correct 48 ms 2060 KB Output is correct
46 Correct 34 ms 1508 KB Output is correct
47 Correct 34 ms 1492 KB Output is correct
48 Correct 36 ms 1508 KB Output is correct
49 Correct 81 ms 1996 KB Output is correct
50 Correct 1 ms 320 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 35 ms 1352 KB Output is correct
53 Correct 35 ms 1444 KB Output is correct
54 Correct 34 ms 1364 KB Output is correct
55 Correct 34 ms 1380 KB Output is correct
56 Correct 32 ms 1236 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 7 ms 980 KB Output is correct
59 Correct 7 ms 980 KB Output is correct
60 Correct 9 ms 984 KB Output is correct
61 Correct 87 ms 4252 KB Output is correct
62 Correct 86 ms 4136 KB Output is correct
63 Correct 1 ms 340 KB Output is correct