Submission #1275822
Source Code Expand
#include<bits/stdc++.h> using namespace std; int main(){ int t; cin>>t; for(int i=0;i<t;i++){ int n; cin>>n; vector<vector<int>> edge(n,vector<int>(n,-1)); vector<vector<int>> a(n,vector<int>(n)); const int INF=1e8; vector<vector<int>> dp(n,vector<int>(n,INF)); bool isok=true; for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ cin>>a[i][j]; if(a[i][j]!=-1) dp[i][j]=a[i][j]; if(a[i][j]!=0 && i==j) isok=false; } } for(int k=0;k<n;k++){ for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ dp[i][j]=min(dp[i][j],dp[i][k]+dp[k][j]); } } } for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ if(dp[i][j]==INF && a[i][j]==-1 || a[i][j]==dp[i][j]){ continue; } else{ isok=false; } } } cout<<(isok ? "YES" : "NO")<<endl; } return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - 最短経路 |
User | nikutto |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 1160 Byte |
Status | AC |
Exec Time | 9 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 | 8 ms | 256 KB |
10_random_01.txt | AC | 8 ms | 256 KB |
10_random_02.txt | AC | 8 ms | 256 KB |
10_random_03.txt | AC | 8 ms | 256 KB |
10_random_04.txt | AC | 8 ms | 256 KB |
10_random_05.txt | AC | 8 ms | 256 KB |
10_random_06.txt | AC | 8 ms | 256 KB |
10_random_07.txt | AC | 8 ms | 256 KB |
10_random_08.txt | AC | 8 ms | 256 KB |
10_random_09.txt | AC | 8 ms | 256 KB |
10_random_10.txt | AC | 8 ms | 256 KB |
10_random_11.txt | AC | 8 ms | 256 KB |
10_random_12.txt | AC | 8 ms | 256 KB |
10_random_13.txt | AC | 8 ms | 256 KB |
10_random_14.txt | AC | 8 ms | 256 KB |
10_random_15.txt | AC | 8 ms | 256 KB |
10_random_16.txt | AC | 8 ms | 256 KB |
10_random_17.txt | AC | 8 ms | 256 KB |
10_random_18.txt | AC | 8 ms | 256 KB |
10_random_19.txt | AC | 8 ms | 256 KB |
10_random_20.txt | AC | 8 ms | 256 KB |
10_random_21.txt | AC | 8 ms | 256 KB |
10_random_22.txt | AC | 8 ms | 256 KB |
10_random_23.txt | AC | 8 ms | 256 KB |
10_random_24.txt | AC | 8 ms | 256 KB |
10_random_25.txt | AC | 8 ms | 256 KB |
10_random_26.txt | AC | 8 ms | 256 KB |
10_random_27.txt | AC | 8 ms | 256 KB |
10_random_28.txt | AC | 8 ms | 256 KB |
10_random_29.txt | AC | 8 ms | 256 KB |
22_random_30.txt | AC | 8 ms | 256 KB |
22_random_31.txt | AC | 8 ms | 256 KB |
23_coplete_32.txt | AC | 9 ms | 256 KB |
23_coplete_33.txt | AC | 9 ms | 256 KB |
24_path_34.txt | AC | 8 ms | 256 KB |
24_path_35.txt | AC | 8 ms | 256 KB |
25_tree_36.txt | AC | 7 ms | 256 KB |
25_tree_37.txt | AC | 8 ms | 256 KB |
26_noedge_38.txt | AC | 7 ms | 256 KB |
27_dot_39.txt | AC | 1 ms | 256 KB |