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답안 #549874

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
549874 2022-04-16T17:46:07 Z FEDIKUS 여행하는 상인 (APIO17_merchant) C++17
100 / 100
 145 ms 2568 KB 
#include<bits/stdc++.h>

using namespace std;

typedef long long ll;

const ll maxn=110;
const ll maxk=1010;
const ll inf=LLONG_MAX/2;

ll n,m,k;

ll b[maxn][maxk];
ll s[maxn][maxk];
ll gt[maxn][maxn];
ll gp[maxn][maxn];
ll checkg[maxn][maxn];

void init(){
    for(int i=0;i<n;i++) for(int j=0;j<n;j++) gt[i][j]=inf;
}

void floyd(ll g[maxn][maxn]){
    for(ll i=0;i<n;i++){
        for(ll j=0;j<n;j++){
            for(ll l=0;l<n;l++){
                g[j][l]=min(g[j][l],g[j][i]+g[i][l]);
            }
        }
    }
}

bool check(ll eff){
    for(ll i=0;i<n;i++){
        for(ll j=0;j<n;j++){
            checkg[i][j]=inf;
            if(gt[i][j]==inf) continue;
            checkg[i][j]=eff*gt[i][j]-gp[i][j];
        }
    }
    floyd(checkg);
    for(ll i=0;i<n;i++){
        if(checkg[i][i]<=0) return true;
    }
    return false;
}

int main(){
    cin>>n>>m>>k;
    init();
    for(ll i=0;i<n;i++){
        for(ll j=0;j<k;j++) cin>>b[i][j]>>s[i][j];
    }
    for(ll i=0;i<m;i++){
        ll v,w,t;
        cin>>v>>w>>t;
        v--,w--;
        gt[v][w]=min(t,gt[v][w]);
    }
    floyd(gt);
    
    for(ll i=0;i<n;i++){
        for(ll j=0;j<n;j++){
            for(ll l=0;l<k;l++){
                if(s[j][l]==-1 || b[i][l]==-1) continue;
                gp[i][j]=max(gp[i][j],s[j][l]-b[i][l]);
            }
        }
    }
    ll l=0,r=1e9+10,res=-1;
    while(l<=r){
        ll mid=(l+r)/2;
        if(check(mid)){
            res=mid;
            l=mid+1;
        }else r=mid-1;
    }
    cout<<res;
    return 0;
}

Subtask #1
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 94 ms 2020 KB Output is correct
2 Correct 40 ms 1268 KB Output is correct
3 Correct 45 ms 1204 KB Output is correct
4 Correct 5 ms 800 KB Output is correct
5 Correct 5 ms 724 KB Output is correct
6 Correct 6 ms 724 KB Output is correct
7 Correct 7 ms 852 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 8 ms 724 KB Output is correct
10 Correct 5 ms 816 KB Output is correct
11 Correct 5 ms 688 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 9 ms 888 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 724 KB Output is correct
2 Correct 7 ms 852 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 8 ms 724 KB Output is correct
5 Correct 5 ms 816 KB Output is correct
6 Correct 5 ms 688 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 9 ms 888 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 7 ms 904 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 6 ms 852 KB Output is correct
16 Correct 6 ms 852 KB Output is correct
17 Correct 6 ms 852 KB Output is correct
18 Correct 6 ms 832 KB Output is correct
19 Correct 7 ms 852 KB Output is correct
20 Correct 12 ms 852 KB Output is correct
21 Correct 6 ms 836 KB Output is correct
22 Correct 7 ms 832 KB Output is correct
23 Correct 12 ms 924 KB Output is correct
24 Correct 6 ms 724 KB Output is correct
25 Correct 7 ms 828 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 8 ms 832 KB Output is correct
28 Correct 7 ms 852 KB Output is correct
29 Correct 8 ms 832 KB Output is correct
30 Correct 6 ms 832 KB Output is correct
31 Correct 5 ms 816 KB Output is correct

Subtask #3
33.0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 828 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 8 ms 832 KB Output is correct
4 Correct 7 ms 852 KB Output is correct
5 Correct 8 ms 832 KB Output is correct
6 Correct 6 ms 832 KB Output is correct
7 Correct 5 ms 816 KB Output is correct
8 Correct 40 ms 1492 KB Output is correct
9 Correct 142 ms 2428 KB Output is correct
10 Correct 38 ms 1472 KB Output is correct
11 Correct 48 ms 1748 KB Output is correct
12 Correct 42 ms 1744 KB Output is correct
13 Correct 39 ms 1504 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 7 ms 904 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 6 ms 852 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 832 KB Output is correct
11 Correct 7 ms 852 KB Output is correct
12 Correct 12 ms 852 KB Output is correct
13 Correct 6 ms 836 KB Output is correct
14 Correct 7 ms 832 KB Output is correct
15 Correct 12 ms 924 KB Output is correct
16 Correct 6 ms 724 KB Output is correct
17 Correct 40 ms 1492 KB Output is correct
18 Correct 142 ms 2428 KB Output is correct
19 Correct 38 ms 1472 KB Output is correct
20 Correct 48 ms 1748 KB Output is correct
21 Correct 42 ms 1744 KB Output is correct
22 Correct 39 ms 1504 KB Output is correct
23 Correct 7 ms 828 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 8 ms 832 KB Output is correct
26 Correct 7 ms 852 KB Output is correct
27 Correct 8 ms 832 KB Output is correct
28 Correct 6 ms 832 KB Output is correct
29 Correct 5 ms 816 KB Output is correct
30 Correct 94 ms 2020 KB Output is correct
31 Correct 40 ms 1268 KB Output is correct
32 Correct 45 ms 1204 KB Output is correct
33 Correct 5 ms 800 KB Output is correct
34 Correct 5 ms 724 KB Output is correct
35 Correct 6 ms 724 KB Output is correct
36 Correct 7 ms 852 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 8 ms 724 KB Output is correct
39 Correct 5 ms 816 KB Output is correct
40 Correct 5 ms 688 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 9 ms 888 KB Output is correct
43 Correct 44 ms 1344 KB Output is correct
44 Correct 46 ms 1600 KB Output is correct
45 Correct 63 ms 2372 KB Output is correct
46 Correct 35 ms 1492 KB Output is correct
47 Correct 36 ms 1492 KB Output is correct
48 Correct 35 ms 1600 KB Output is correct
49 Correct 135 ms 2384 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 33 ms 1348 KB Output is correct
53 Correct 39 ms 1456 KB Output is correct
54 Correct 33 ms 1344 KB Output is correct
55 Correct 34 ms 1484 KB Output is correct
56 Correct 31 ms 1236 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 9 ms 980 KB Output is correct
59 Correct 9 ms 980 KB Output is correct
60 Correct 9 ms 980 KB Output is correct
61 Correct 143 ms 2292 KB Output is correct
62 Correct 145 ms 2568 KB Output is correct
63 Correct 1 ms 340 KB Output is correct