Submission #899664
Source Code Expand
#include<bits/stdc++.h> using namespace std; int R,C; int N; struct edge { int to,a; }; vector<edge> G[200005]; int V[200005]; bool used[200005]; bool dfs(int id){ used[id] = true; for( edge e : G[id] ){ if( used[e.to] ) { if( e.a != V[id] + V[e.to] ) return false; } else { V[e.to] = e.a - V[id]; if( !dfs( e.to ) ) return false; } } return true; } bool check1(){ for(int i=0;i<R+C;i++){ if( !used[i] ) if( !dfs( i ) ) return false; } return true; } bool check2(){ for( int i=0;i<R+C;i++ ){ if( V[i] < 0 ) return false; } return true; } int main(){ cin >> R >> C >> N; for(int i=0;i<N;i++){ int r,c,a; cin >> r >> c >> a; --r; --c; G[r].push_back( (edge){ R+c,a } ); G[R+c].push_back( (edge){ r,a } ); } if( check1() && check2() ) cout << "Yes" << endl; else cout << "No" << endl; }
Submission Info
Submission Time | |
---|---|
Task | D - Grid and Integers |
User | sate3saku3 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 958 Byte |
Status | WA |
Exec Time | 155 ms |
Memory | 12160 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 800 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt, 1_55.txt, 1_56.txt, 1_57.txt, 1_58.txt, 1_59.txt, 1_60.txt, 1_61.txt, 1_62.txt, 1_63.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 7 ms | 4992 KB |
0_01.txt | AC | 7 ms | 4992 KB |
0_02.txt | AC | 7 ms | 4992 KB |
0_03.txt | AC | 7 ms | 4992 KB |
0_04.txt | AC | 7 ms | 4992 KB |
1_00.txt | AC | 9 ms | 5120 KB |
1_01.txt | AC | 9 ms | 5120 KB |
1_02.txt | AC | 9 ms | 5120 KB |
1_03.txt | AC | 8 ms | 5120 KB |
1_04.txt | AC | 9 ms | 5120 KB |
1_05.txt | AC | 7 ms | 4992 KB |
1_06.txt | AC | 124 ms | 11776 KB |
1_07.txt | AC | 155 ms | 11776 KB |
1_08.txt | AC | 125 ms | 10112 KB |
1_09.txt | AC | 120 ms | 10112 KB |
1_10.txt | AC | 147 ms | 9088 KB |
1_11.txt | AC | 145 ms | 9088 KB |
1_12.txt | AC | 152 ms | 12160 KB |
1_13.txt | AC | 150 ms | 12160 KB |
1_14.txt | AC | 152 ms | 12160 KB |
1_15.txt | AC | 155 ms | 12160 KB |
1_16.txt | AC | 123 ms | 11008 KB |
1_17.txt | AC | 154 ms | 12160 KB |
1_18.txt | AC | 145 ms | 11648 KB |
1_19.txt | AC | 137 ms | 11648 KB |
1_20.txt | AC | 91 ms | 7936 KB |
1_21.txt | WA | 44 ms | 6784 KB |
1_22.txt | WA | 13 ms | 5504 KB |
1_23.txt | WA | 90 ms | 8448 KB |
1_24.txt | AC | 111 ms | 8576 KB |
1_25.txt | AC | 88 ms | 7936 KB |
1_26.txt | WA | 15 ms | 5376 KB |
1_27.txt | WA | 22 ms | 6016 KB |
1_28.txt | AC | 140 ms | 9728 KB |
1_29.txt | WA | 50 ms | 6912 KB |
1_30.txt | AC | 134 ms | 9472 KB |
1_31.txt | WA | 57 ms | 7680 KB |
1_32.txt | AC | 111 ms | 8192 KB |
1_33.txt | AC | 133 ms | 9472 KB |
1_34.txt | WA | 23 ms | 6016 KB |
1_35.txt | WA | 117 ms | 7680 KB |
1_36.txt | WA | 26 ms | 6016 KB |
1_37.txt | AC | 58 ms | 6784 KB |
1_38.txt | WA | 105 ms | 8704 KB |
1_39.txt | WA | 37 ms | 6656 KB |
1_40.txt | WA | 100 ms | 8704 KB |
1_41.txt | WA | 53 ms | 7552 KB |
1_42.txt | AC | 114 ms | 8192 KB |
1_43.txt | AC | 93 ms | 8320 KB |
1_44.txt | AC | 117 ms | 8704 KB |
1_45.txt | AC | 39 ms | 6272 KB |
1_46.txt | AC | 130 ms | 9344 KB |
1_47.txt | WA | 48 ms | 6656 KB |
1_48.txt | AC | 45 ms | 6400 KB |
1_49.txt | WA | 20 ms | 5760 KB |
1_50.txt | AC | 78 ms | 7552 KB |
1_51.txt | AC | 128 ms | 9344 KB |
1_52.txt | WA | 17 ms | 6016 KB |
1_53.txt | WA | 27 ms | 6400 KB |
1_54.txt | WA | 45 ms | 6656 KB |
1_55.txt | WA | 58 ms | 6656 KB |
1_56.txt | AC | 92 ms | 8192 KB |
1_57.txt | AC | 135 ms | 9216 KB |
1_58.txt | AC | 117 ms | 8832 KB |
1_59.txt | WA | 14 ms | 5760 KB |
1_60.txt | AC | 7 ms | 4992 KB |
1_61.txt | AC | 7 ms | 4992 KB |
1_62.txt | AC | 7 ms | 4992 KB |
1_63.txt | AC | 7 ms | 4992 KB |