Submission #1553794
Source Code Expand
#include<bits/stdc++.h> using namespace std; int H, W, K; int MAP[1000][1000]; int x, y, vis[1000][1000]; int ans = 2147483647; const int dx[4] = {0, 1, 0, -1}; const int dy[4] = {1, 0, -1, 0}; struct PR { int x, y, now; PR() {x = y = now = 0;} PR(int _x, int _y, int _now) {x = _x, y = _y, now = _now;} }; bool check(int x, int y) { if (x < 0 || x > H) return 0; if (y < 0 || y > W) return 0; if (MAP[x][y]) return 0; return 1; } int main() { cin >> H >> W >> K; for (int i = 1; i <= H; i ++) { string s; cin >> s; for (int j = 1; j <= W; j ++) { if (s[j - 1] == '#') MAP[i][j] = 1; else { MAP[i][j] = 0; if (s[j - 1] == 'S') x = i, y = j; } } } queue<PR> Q; Q.push((PR){x, y, 0}); while (!Q.empty()) { PR tmp = Q.front(); Q.pop(); if (tmp.now > K) continue; if (vis[tmp.x][tmp.y] <= tmp.now && vis[tmp.x][tmp.y] != 0) continue; vis[tmp.x][tmp.y] = tmp.now; if (tmp.x == 1 || tmp.y == 1 || tmp.x == H || tmp.y == W) ans = min(ans, 1); ans = min(ans, min(min((int)ceil((double)(tmp.x - 1) / K), (int)ceil((double)(tmp.y - 1) / K)), min((int)ceil((double)H - tmp.x / K), (int)ceil((double)W - tmp.y / K))) + 1); for (int i = 0; i < 4; i ++) { if (check(tmp.x + dx[i], tmp.y + dy[i])) Q.push((PR){tmp.x + dx[i], tmp.y + dy[i], tmp.now + 1}); } } cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Closed Rooms |
User | xc01 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1559 Byte |
Status | WA |
Exec Time | 63 ms |
Memory | 7296 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 700 | ||||||
Status |
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Set Name | Test Cases |
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Sample | sample1.txt, sample2.txt, sample3.txt |
All | sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in2.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in3.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, in36.txt, in37.txt, in38.txt, in39.txt, in4.txt, in40.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | WA | 26 ms | 5248 KB |
in10.txt | WA | 26 ms | 5248 KB |
in11.txt | AC | 26 ms | 5248 KB |
in12.txt | WA | 26 ms | 5248 KB |
in13.txt | AC | 26 ms | 5248 KB |
in14.txt | WA | 26 ms | 5248 KB |
in15.txt | AC | 26 ms | 5248 KB |
in16.txt | WA | 26 ms | 5248 KB |
in17.txt | WA | 26 ms | 5248 KB |
in18.txt | WA | 26 ms | 5248 KB |
in19.txt | AC | 26 ms | 5248 KB |
in2.txt | AC | 26 ms | 5376 KB |
in20.txt | AC | 2 ms | 5248 KB |
in21.txt | AC | 2 ms | 2304 KB |
in22.txt | AC | 1 ms | 2304 KB |
in23.txt | WA | 25 ms | 5248 KB |
in24.txt | WA | 25 ms | 5248 KB |
in25.txt | AC | 25 ms | 5248 KB |
in26.txt | AC | 26 ms | 5760 KB |
in27.txt | AC | 25 ms | 5248 KB |
in28.txt | AC | 35 ms | 7296 KB |
in29.txt | AC | 47 ms | 7296 KB |
in3.txt | WA | 26 ms | 5248 KB |
in30.txt | AC | 29 ms | 6400 KB |
in31.txt | AC | 25 ms | 5248 KB |
in32.txt | AC | 25 ms | 5248 KB |
in33.txt | AC | 62 ms | 7296 KB |
in34.txt | AC | 63 ms | 7296 KB |
in35.txt | WA | 24 ms | 5376 KB |
in36.txt | AC | 24 ms | 5248 KB |
in37.txt | WA | 24 ms | 5248 KB |
in38.txt | WA | 24 ms | 5248 KB |
in39.txt | WA | 24 ms | 5248 KB |
in4.txt | AC | 26 ms | 5248 KB |
in40.txt | AC | 24 ms | 5248 KB |
in5.txt | AC | 26 ms | 5248 KB |
in6.txt | WA | 26 ms | 5248 KB |
in7.txt | AC | 26 ms | 5248 KB |
in8.txt | AC | 26 ms | 5248 KB |
in9.txt | AC | 26 ms | 5376 KB |
sample1.txt | AC | 2 ms | 2304 KB |
sample2.txt | AC | 1 ms | 2304 KB |
sample3.txt | AC | 1 ms | 2304 KB |