Submission #1275814
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int,int> P; typedef vector<int> VI; typedef vector<VI> VVI; const double PI = 3.14159265358979323846; const double EPS = 1e-12; const int INF = numeric_limits<int>::max() / 2; const int NEG_INF = numeric_limits<int>::min() / 2; const int MOD=1e9+7; int main(){ cin.tie(0); ios::sync_with_stdio(false); int t;cin>>t; for(int i=0;i<t;i++){ int n;cin>>n; VVI v(n,vector<int>(n)); bool flag=true; int dis[n][n]; for(int j=0;j<n;j++){ for(int k=0;k<n;k++){ dis[j][k]=INF; if(j==k)dis[j][k]=0; cin>>v[j][k]; if(v[j][k]!=0&&j==k) flag=false; if(v[j][k]==-1) continue; dis[j][k]=min(dis[j][k],v[j][k]); } } for(int k=0;k<n;k++){ for(int l=0;l<n;l++){ for(int m=0;m<n;m++){ if(dis[l][m]>dis[l][k]+dis[k][m]) flag=false; } } } if(flag) cout<<"YES"<<endl; else cout<<"NO"<<endl; } }
Submission Info
Submission Time | |
---|---|
Task | C - 最短経路 |
User | zaki_ |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 1142 Byte |
Status | AC |
Exec Time | 4 ms |
Memory | 256 KB |
Judge Result
Set Name | All | ||
---|---|---|---|
Score / Max Score | 100 / 100 | ||
Status |
|
Set Name | Test Cases |
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All | 00_sample.txt, 10_random_00.txt, 10_random_01.txt, 10_random_02.txt, 10_random_03.txt, 10_random_04.txt, 10_random_05.txt, 10_random_06.txt, 10_random_07.txt, 10_random_08.txt, 10_random_09.txt, 10_random_10.txt, 10_random_11.txt, 10_random_12.txt, 10_random_13.txt, 10_random_14.txt, 10_random_15.txt, 10_random_16.txt, 10_random_17.txt, 10_random_18.txt, 10_random_19.txt, 10_random_20.txt, 10_random_21.txt, 10_random_22.txt, 10_random_23.txt, 10_random_24.txt, 10_random_25.txt, 10_random_26.txt, 10_random_27.txt, 10_random_28.txt, 10_random_29.txt, 22_random_30.txt, 22_random_31.txt, 23_coplete_32.txt, 23_coplete_33.txt, 24_path_34.txt, 24_path_35.txt, 25_tree_36.txt, 25_tree_37.txt, 26_noedge_38.txt, 27_dot_39.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_sample.txt | AC | 1 ms | 256 KB |
10_random_00.txt | AC | 4 ms | 256 KB |
10_random_01.txt | AC | 4 ms | 256 KB |
10_random_02.txt | AC | 4 ms | 256 KB |
10_random_03.txt | AC | 4 ms | 256 KB |
10_random_04.txt | AC | 4 ms | 256 KB |
10_random_05.txt | AC | 4 ms | 256 KB |
10_random_06.txt | AC | 4 ms | 256 KB |
10_random_07.txt | AC | 4 ms | 256 KB |
10_random_08.txt | AC | 4 ms | 256 KB |
10_random_09.txt | AC | 4 ms | 256 KB |
10_random_10.txt | AC | 4 ms | 256 KB |
10_random_11.txt | AC | 4 ms | 256 KB |
10_random_12.txt | AC | 4 ms | 256 KB |
10_random_13.txt | AC | 4 ms | 256 KB |
10_random_14.txt | AC | 4 ms | 256 KB |
10_random_15.txt | AC | 4 ms | 256 KB |
10_random_16.txt | AC | 4 ms | 256 KB |
10_random_17.txt | AC | 4 ms | 256 KB |
10_random_18.txt | AC | 4 ms | 256 KB |
10_random_19.txt | AC | 4 ms | 256 KB |
10_random_20.txt | AC | 4 ms | 256 KB |
10_random_21.txt | AC | 4 ms | 256 KB |
10_random_22.txt | AC | 4 ms | 256 KB |
10_random_23.txt | AC | 4 ms | 256 KB |
10_random_24.txt | AC | 4 ms | 256 KB |
10_random_25.txt | AC | 4 ms | 256 KB |
10_random_26.txt | AC | 4 ms | 256 KB |
10_random_27.txt | AC | 4 ms | 256 KB |
10_random_28.txt | AC | 4 ms | 256 KB |
10_random_29.txt | AC | 4 ms | 256 KB |
22_random_30.txt | AC | 4 ms | 256 KB |
22_random_31.txt | AC | 4 ms | 256 KB |
23_coplete_32.txt | AC | 4 ms | 256 KB |
23_coplete_33.txt | AC | 4 ms | 256 KB |
24_path_34.txt | AC | 4 ms | 256 KB |
24_path_35.txt | AC | 4 ms | 256 KB |
25_tree_36.txt | AC | 4 ms | 256 KB |
25_tree_37.txt | AC | 4 ms | 256 KB |
26_noedge_38.txt | AC | 4 ms | 256 KB |
27_dot_39.txt | AC | 1 ms | 256 KB |