Submission #1443896
Source Code Expand
#include <iostream> #include <vector> #include <cstdio> #include <algorithm> #include <utility> #include <string> #include <cmath> #include <set> #include <functional> #include <map> #include <queue> #include <cstring> #include <stack> #include <iomanip> #include <climits> #include <numeric> #include <cassert> using namespace std; #define rep(i,n) for(int i = 0; i < (n); ++i) #define show(x) cout << #x << " = " << x << endl; typedef long long ll; typedef pair<int,int> pii; struct edge{ int to; ll w; }; vector<edge>G[200005]; bool used[200005]; ll min_r,min_c; ll cost[200005]; void dfs(int s){ used[s] = true; rep(i,G[s].size()){ if(!used[G[s][i].to]){ cost[G[s][i].to] = G[s][i].w - cost[s]; if(G[s][i].to >100000){ min_c = min(min_c, cost[G[s][i].to]); }else{ min_r = min(min_r, cost[G[s][i].to]); } dfs(G[s][i].to); }else{ if(cost[G[s][i].to] != G[s][i].w - cost[s]){ cout << "No" << endl; exit(0); } } } } int main(){ cin.tie(0); ios::sync_with_stdio(false); int h, w; cin >> h >> w; int n; cin >> n; vector<int> r(n), c(n); vector<ll> a(n); rep(i,n){ cin >> r[i] >> c[i] >> a[i]; c[i] += 100000; G[r[i]].push_back(edge{c[i], a[i]}); G[c[i]].push_back(edge{r[i], a[i]}); } rep(i,n){ if(!used[r[i]]){ min_r = 0; min_c = 1LL<<60; dfs(r[i]); if(min_r + min_c < 0){ cout <<"No" << endl; return 0; } } } cout << "Yes" << endl; }
Submission Info
Submission Time | |
---|---|
Task | D - Grid and Integers |
User | polyomino |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 1793 Byte |
Status | AC |
Exec Time | 65 ms |
Memory | 18176 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 800 / 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 | 3 ms | 4992 KB |
0_01.txt | AC | 3 ms | 4992 KB |
0_02.txt | AC | 3 ms | 4992 KB |
0_03.txt | AC | 3 ms | 4992 KB |
0_04.txt | AC | 3 ms | 4992 KB |
1_00.txt | AC | 3 ms | 4992 KB |
1_01.txt | AC | 3 ms | 4992 KB |
1_02.txt | AC | 3 ms | 4992 KB |
1_03.txt | AC | 3 ms | 4992 KB |
1_04.txt | AC | 3 ms | 4992 KB |
1_05.txt | AC | 3 ms | 4992 KB |
1_06.txt | AC | 47 ms | 13696 KB |
1_07.txt | AC | 50 ms | 13696 KB |
1_08.txt | AC | 51 ms | 13696 KB |
1_09.txt | AC | 52 ms | 13696 KB |
1_10.txt | AC | 58 ms | 13440 KB |
1_11.txt | AC | 56 ms | 13440 KB |
1_12.txt | AC | 61 ms | 18176 KB |
1_13.txt | AC | 59 ms | 18176 KB |
1_14.txt | AC | 62 ms | 18176 KB |
1_15.txt | AC | 60 ms | 18176 KB |
1_16.txt | AC | 58 ms | 17280 KB |
1_17.txt | AC | 61 ms | 17920 KB |
1_18.txt | AC | 56 ms | 17280 KB |
1_19.txt | AC | 65 ms | 16896 KB |
1_20.txt | AC | 34 ms | 10624 KB |
1_21.txt | AC | 16 ms | 7808 KB |
1_22.txt | AC | 5 ms | 5888 KB |
1_23.txt | AC | 32 ms | 10624 KB |
1_24.txt | AC | 41 ms | 11904 KB |
1_25.txt | AC | 33 ms | 10368 KB |
1_26.txt | AC | 6 ms | 5504 KB |
1_27.txt | AC | 8 ms | 6656 KB |
1_28.txt | AC | 52 ms | 13696 KB |
1_29.txt | AC | 18 ms | 8192 KB |
1_30.txt | AC | 49 ms | 13056 KB |
1_31.txt | AC | 21 ms | 9088 KB |
1_32.txt | AC | 42 ms | 11776 KB |
1_33.txt | AC | 52 ms | 13056 KB |
1_34.txt | AC | 8 ms | 6528 KB |
1_35.txt | AC | 40 ms | 11136 KB |
1_36.txt | AC | 9 ms | 6784 KB |
1_37.txt | AC | 22 ms | 8448 KB |
1_38.txt | AC | 38 ms | 11264 KB |
1_39.txt | AC | 13 ms | 7680 KB |
1_40.txt | AC | 36 ms | 11008 KB |
1_41.txt | AC | 18 ms | 8960 KB |
1_42.txt | AC | 43 ms | 11776 KB |
1_43.txt | AC | 32 ms | 10624 KB |
1_44.txt | AC | 41 ms | 11904 KB |
1_45.txt | AC | 13 ms | 7424 KB |
1_46.txt | AC | 47 ms | 12800 KB |
1_47.txt | AC | 17 ms | 8064 KB |
1_48.txt | AC | 16 ms | 7424 KB |
1_49.txt | AC | 7 ms | 6272 KB |
1_50.txt | AC | 28 ms | 9600 KB |
1_51.txt | AC | 47 ms | 13184 KB |
1_52.txt | AC | 6 ms | 6656 KB |
1_53.txt | AC | 9 ms | 7168 KB |
1_54.txt | AC | 16 ms | 7808 KB |
1_55.txt | AC | 20 ms | 8320 KB |
1_56.txt | AC | 33 ms | 10624 KB |
1_57.txt | AC | 52 ms | 13440 KB |
1_58.txt | AC | 44 ms | 12032 KB |
1_59.txt | AC | 5 ms | 6144 KB |
1_60.txt | AC | 3 ms | 4992 KB |
1_61.txt | AC | 3 ms | 4992 KB |
1_62.txt | AC | 3 ms | 4992 KB |
1_63.txt | AC | 3 ms | 4992 KB |