Submission #1650265
Source Code Expand
// 基本テンプレート #include <iostream> #include <iomanip> #include <cstdio> #include <string> #include <cstring> #include <deque> #include <list> #include <queue> #include <stack> #include <vector> #include <utility> #include <algorithm> #include <map> #include <set> #include <complex> #include <cmath> #include <limits> #include <cfloat> #include <climits> #include <ctime> #include <cassert> #include <numeric> #include <fstream> #include <functional> using namespace std; #define rep(i,a,n) for(int (i)=(a); (i)<(n); (i)++) #define repq(i,a,n) for(int (i)=(a); (i)<=(n); (i)++) #define repr(i,a,n) for(int (i)=(a); (i)>=(n); (i)--) #define int long long int template<typename T> void chmax(T &a, T b) {a = max(a, b);} template<typename T> void chmin(T &a, T b) {a = min(a, b);} template<typename T> void chadd(T &a, T b) {a = a + b;} typedef pair<int, int> pii; typedef long long ll; int dx[] = {0, 0, 1, -1}; int dy[] = {1, -1, 0, 0}; constexpr ll INF = 1001001001001001LL; constexpr ll MOD = 1000000007LL; vector<pii> G[200010]; bool visited[200010]; int rec[200010]; int x, y; int R, C, N; void dfs(int p, int par=-1) { if(p < R) chmin(x, rec[p]); else chmin(y, rec[p]); for(auto e : G[p]) { int to = e.first, cost = e.second; if(par == to || visited[to]) continue; visited[to] = true; rec[to] = cost - rec[p]; dfs(to, p); } } signed main() { cin >> R >> C >> N; rep(i,0,N) { int r, c, a; cin >> r >> c >> a; r--; c--; int u = r, v = R+c; G[u].push_back(pii(v, a)); G[v].push_back(pii(u, a)); } bool ng = false; int ans = INF; rep(i,0,R+C) { x = y = INF; dfs(i); chmin(ans, x+y); } rep(i,0,R+C) rep(j,0,G[i].size()) { int u = i, v = G[i][j].first; if(rec[u] + rec[v] != G[i][j].second) ng = true; } if(ans < 0) ng = true; cout << (ng ? "No" : "Yes") << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Grid and Integers |
User | tsutaj |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 2072 Byte |
Status | AC |
Exec Time | 190 ms |
Memory | 16640 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 | 4 ms | 4992 KB |
1_01.txt | AC | 4 ms | 4992 KB |
1_02.txt | AC | 4 ms | 4992 KB |
1_03.txt | AC | 5 ms | 4992 KB |
1_04.txt | AC | 5 ms | 4992 KB |
1_05.txt | AC | 5 ms | 4992 KB |
1_06.txt | AC | 111 ms | 12928 KB |
1_07.txt | AC | 134 ms | 12928 KB |
1_08.txt | AC | 104 ms | 12160 KB |
1_09.txt | AC | 103 ms | 12160 KB |
1_10.txt | AC | 126 ms | 11904 KB |
1_11.txt | AC | 125 ms | 11904 KB |
1_12.txt | AC | 130 ms | 16640 KB |
1_13.txt | AC | 131 ms | 16640 KB |
1_14.txt | AC | 132 ms | 16640 KB |
1_15.txt | AC | 132 ms | 16640 KB |
1_16.txt | AC | 103 ms | 14848 KB |
1_17.txt | AC | 116 ms | 16384 KB |
1_18.txt | AC | 116 ms | 15872 KB |
1_19.txt | AC | 117 ms | 16000 KB |
1_20.txt | AC | 76 ms | 9600 KB |
1_21.txt | AC | 36 ms | 7296 KB |
1_22.txt | AC | 8 ms | 5760 KB |
1_23.txt | AC | 77 ms | 9600 KB |
1_24.txt | AC | 94 ms | 10624 KB |
1_25.txt | AC | 75 ms | 9344 KB |
1_26.txt | AC | 10 ms | 5504 KB |
1_27.txt | AC | 17 ms | 6528 KB |
1_28.txt | AC | 122 ms | 12160 KB |
1_29.txt | AC | 42 ms | 7680 KB |
1_30.txt | AC | 113 ms | 11520 KB |
1_31.txt | AC | 48 ms | 8576 KB |
1_32.txt | AC | 96 ms | 10496 KB |
1_33.txt | AC | 113 ms | 11520 KB |
1_34.txt | AC | 17 ms | 6400 KB |
1_35.txt | AC | 99 ms | 9600 KB |
1_36.txt | AC | 20 ms | 6528 KB |
1_37.txt | AC | 48 ms | 7808 KB |
1_38.txt | AC | 89 ms | 10112 KB |
1_39.txt | AC | 29 ms | 7296 KB |
1_40.txt | AC | 87 ms | 9856 KB |
1_41.txt | AC | 44 ms | 8448 KB |
1_42.txt | AC | 106 ms | 10880 KB |
1_43.txt | AC | 80 ms | 9600 KB |
1_44.txt | AC | 190 ms | 10624 KB |
1_45.txt | AC | 31 ms | 6912 KB |
1_46.txt | AC | 111 ms | 11264 KB |
1_47.txt | AC | 39 ms | 7552 KB |
1_48.txt | AC | 37 ms | 6912 KB |
1_49.txt | AC | 14 ms | 6144 KB |
1_50.txt | AC | 64 ms | 8704 KB |
1_51.txt | AC | 115 ms | 11776 KB |
1_52.txt | AC | 12 ms | 6656 KB |
1_53.txt | AC | 21 ms | 6912 KB |
1_54.txt | AC | 39 ms | 7296 KB |
1_55.txt | AC | 47 ms | 7552 KB |
1_56.txt | AC | 79 ms | 9600 KB |
1_57.txt | AC | 117 ms | 12160 KB |
1_58.txt | AC | 101 ms | 10752 KB |
1_59.txt | AC | 9 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 |