Submission #1612282
Source Code Expand
//#include "IntMod.h" //typedef IntMod<1000000007> MInt; //#include "Union_Find.h" #include <cstdio> #include <cstdlib> #include <cstring> #include <iostream> #include <string> #include <vector> #include <list> #include <utility> #include <algorithm> #include <functional> #include <cmath> #include <stack> #include <queue> #include <set> #include <map> #include <iomanip> #include <sstream> #include <numeric> #include <array> #include <bitset> using namespace std; #define REP(i,a,n) for(int i = (a); i < (int)(n); ++i) #define REPM(i,n,a) for(int i = ((n) - 1); i >= (a); --i) #define EPS 0.0001 #define INF 0x3FFFFFFF #define INFLL 0x3FFFFFFF3FFFFFFF #define INFD 1.0e+308 #define FLOAT setprecision(16) typedef long long LL; typedef unsigned long long ULL; typedef pair<LL, LL> PP; template <class T, class U> istream& operator>>(istream& ist, pair<T, U>& right) { return ist >> right.first >> right.second; } template <class T, class U> ostream& operator<<(ostream& ost, pair<T, U>& right) { return ost << right.first << ' ' << right.second; } template <class T, class TCompatible, size_t N> void Fill(T(&dest)[N], const TCompatible& val) { fill(begin(dest), end(dest), val); } template <class T, class TCompatible, size_t M, size_t N> void Fill(T(&dest)[M][N], const TCompatible& val) { for (int i = 0; i < M; ++i) Fill(dest[i], val); } // all_of #if 1 #include <unordered_set> #include <unordered_map> template<typename T> using PriorityQ = priority_queue<T, vector<T>, greater<T> >; // コスト小を優先 #endif struct Point { LL idx, r, c, a; }; int H, W, N; LL R[100000], C[100000], A[100000]; vector<Point> V; vector<LL> G[100000]; bool used[100000]; LL rwall[100000], cwall[100000]; bool wfs(int i) { queue<int> Q; Q.push(i); LL rmin = INFLL, cmin = INFLL; while (!Q.empty()) { int from = Q.front(); Q.pop(); if (used[from]) continue; used[from] = true; int r = V[from].r; int c = V[from].c; LL a = V[from].a; bool rb = rwall[r] != INFLL; bool cb = cwall[c] != INFLL; if (rb && cb) { if (rwall[r] + cwall[c] != a) return false; } else if (rb || cb) { if (rb) { cwall[c] = a - rwall[r]; } else { rwall[r] = a - cwall[c]; } } else { rwall[r] = 0; cwall[c] = a; } rmin = min(rmin, rwall[r]); cmin = min(cmin, cwall[c]); for (int to : G[from]) { Q.push(to); } } return rmin + cmin >= 0; } int main() { cin >> H >> W >> N; REP(i, 0, N) { cin >> R[i] >> C[i] >> A[i]; --R[i]; --C[i]; V.push_back(Point{ i, R[i], C[i], A[i] }); } sort(V.begin(), V.end(), [](Point a, Point b) {return a.r < b.r; }); REP(i, 0, N - 1) { if (V[i].r == V[i + 1].r) { G[V[i].idx].push_back(V[i + 1].idx); G[V[i + 1].idx].push_back(V[i].idx); } } sort(V.begin(), V.end(), [](Point a, Point b) {return a.c < b.c; }); REP(i, 0, N - 1) { if (V[i].c == V[i + 1].c) { G[V[i].idx].push_back(V[i + 1].idx); G[V[i + 1].idx].push_back(V[i].idx); } } sort(V.begin(), V.end(), [](Point a, Point b) {return a.idx < b.idx; }); Fill(rwall, INFLL); Fill(cwall, INFLL); bool ok = true; REP(i, 0, N) { if (used[i]) continue; ok &= wfs(i); } cout << (ok ? "Yes" : "No") << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Grid and Integers |
User | Aquarius |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 3327 Byte |
Status | AC |
Exec Time | 157 ms |
Memory | 15468 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 | 6272 KB |
0_01.txt | AC | 3 ms | 6272 KB |
0_02.txt | AC | 3 ms | 6272 KB |
0_03.txt | AC | 3 ms | 6272 KB |
0_04.txt | AC | 3 ms | 6272 KB |
1_00.txt | AC | 3 ms | 6272 KB |
1_01.txt | AC | 3 ms | 6272 KB |
1_02.txt | AC | 3 ms | 6272 KB |
1_03.txt | AC | 3 ms | 6272 KB |
1_04.txt | AC | 3 ms | 6272 KB |
1_05.txt | AC | 3 ms | 6272 KB |
1_06.txt | AC | 125 ms | 9836 KB |
1_07.txt | AC | 149 ms | 9840 KB |
1_08.txt | AC | 128 ms | 13292 KB |
1_09.txt | AC | 130 ms | 12908 KB |
1_10.txt | AC | 157 ms | 13420 KB |
1_11.txt | AC | 154 ms | 12908 KB |
1_12.txt | AC | 148 ms | 12908 KB |
1_13.txt | AC | 147 ms | 13164 KB |
1_14.txt | AC | 149 ms | 12908 KB |
1_15.txt | AC | 149 ms | 13036 KB |
1_16.txt | AC | 127 ms | 13036 KB |
1_17.txt | AC | 135 ms | 12908 KB |
1_18.txt | AC | 137 ms | 13292 KB |
1_19.txt | AC | 136 ms | 13036 KB |
1_20.txt | AC | 93 ms | 11376 KB |
1_21.txt | AC | 41 ms | 7796 KB |
1_22.txt | AC | 8 ms | 6528 KB |
1_23.txt | AC | 90 ms | 9840 KB |
1_24.txt | AC | 118 ms | 12652 KB |
1_25.txt | AC | 89 ms | 10736 KB |
1_26.txt | AC | 11 ms | 6652 KB |
1_27.txt | AC | 18 ms | 6776 KB |
1_28.txt | AC | 145 ms | 14060 KB |
1_29.txt | AC | 47 ms | 8052 KB |
1_30.txt | AC | 137 ms | 13036 KB |
1_31.txt | AC | 55 ms | 8176 KB |
1_32.txt | AC | 126 ms | 13804 KB |
1_33.txt | AC | 136 ms | 13164 KB |
1_34.txt | AC | 19 ms | 6776 KB |
1_35.txt | AC | 143 ms | 15468 KB |
1_36.txt | AC | 22 ms | 7032 KB |
1_37.txt | AC | 57 ms | 9328 KB |
1_38.txt | AC | 102 ms | 11372 KB |
1_39.txt | AC | 33 ms | 7284 KB |
1_40.txt | AC | 100 ms | 10860 KB |
1_41.txt | AC | 47 ms | 7796 KB |
1_42.txt | AC | 128 ms | 13548 KB |
1_43.txt | AC | 99 ms | 10096 KB |
1_44.txt | AC | 121 ms | 12652 KB |
1_45.txt | AC | 37 ms | 8180 KB |
1_46.txt | AC | 135 ms | 13036 KB |
1_47.txt | AC | 45 ms | 8692 KB |
1_48.txt | AC | 42 ms | 8052 KB |
1_49.txt | AC | 16 ms | 6648 KB |
1_50.txt | AC | 76 ms | 9712 KB |
1_51.txt | AC | 140 ms | 13676 KB |
1_52.txt | AC | 11 ms | 6652 KB |
1_53.txt | AC | 22 ms | 6904 KB |
1_54.txt | AC | 42 ms | 7924 KB |
1_55.txt | AC | 59 ms | 9584 KB |
1_56.txt | AC | 95 ms | 10608 KB |
1_57.txt | AC | 150 ms | 15212 KB |
1_58.txt | AC | 125 ms | 12012 KB |
1_59.txt | AC | 9 ms | 6524 KB |
1_60.txt | AC | 3 ms | 6272 KB |
1_61.txt | AC | 3 ms | 6272 KB |
1_62.txt | AC | 3 ms | 6272 KB |
1_63.txt | AC | 3 ms | 6272 KB |