結果
問題 | No.340 雪の足跡 |
ユーザー | siman |
提出日時 | 2016-03-30 01:26:02 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 199 ms / 1,000 ms |
コード長 | 2,771 bytes |
コンパイル時間 | 794 ms |
コンパイル使用メモリ | 79,140 KB |
実行使用メモリ | 19,208 KB |
最終ジャッジ日時 | 2024-10-02 02:38:23 |
合計ジャッジ時間 | 4,793 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 6 ms
15,240 KB |
testcase_01 | AC | 5 ms
15,116 KB |
testcase_02 | AC | 5 ms
15,172 KB |
testcase_03 | AC | 5 ms
15,240 KB |
testcase_04 | AC | 4 ms
15,244 KB |
testcase_05 | AC | 5 ms
15,116 KB |
testcase_06 | AC | 5 ms
15,236 KB |
testcase_07 | AC | 4 ms
15,112 KB |
testcase_08 | AC | 4 ms
15,116 KB |
testcase_09 | AC | 4 ms
15,108 KB |
testcase_10 | AC | 5 ms
15,240 KB |
testcase_11 | AC | 6 ms
15,176 KB |
testcase_12 | AC | 5 ms
15,176 KB |
testcase_13 | AC | 6 ms
15,304 KB |
testcase_14 | AC | 14 ms
15,496 KB |
testcase_15 | AC | 16 ms
15,496 KB |
testcase_16 | AC | 13 ms
15,304 KB |
testcase_17 | AC | 19 ms
15,560 KB |
testcase_18 | AC | 20 ms
15,492 KB |
testcase_19 | AC | 21 ms
15,496 KB |
testcase_20 | AC | 115 ms
19,080 KB |
testcase_21 | AC | 87 ms
15,236 KB |
testcase_22 | AC | 11 ms
18,948 KB |
testcase_23 | AC | 138 ms
19,080 KB |
testcase_24 | AC | 108 ms
19,208 KB |
testcase_25 | AC | 116 ms
19,080 KB |
testcase_26 | AC | 25 ms
15,236 KB |
testcase_27 | AC | 10 ms
15,240 KB |
testcase_28 | AC | 24 ms
15,368 KB |
testcase_29 | AC | 149 ms
17,672 KB |
testcase_30 | AC | 107 ms
16,908 KB |
testcase_31 | AC | 177 ms
18,824 KB |
testcase_32 | AC | 199 ms
19,076 KB |
testcase_33 | AC | 166 ms
19,084 KB |
testcase_34 | AC | 195 ms
19,208 KB |
testcase_35 | AC | 165 ms
19,080 KB |
testcase_36 | AC | 162 ms
19,080 KB |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:96:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 96 | scanf("%d", &m); | ~~~~~^~~~~~~~~~ main.cpp:103:12: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 103 | scanf("%d", &p); | ~~~~~^~~~~~~~~~
ソースコード
#include <iostream> #include <vector> #include <map> #include <algorithm> #include <limits.h> #include <time.h> #include <string> #include <string.h> #include <sstream> #include <set> #include <cstdio> #include <cstdlib> #include <cmath> #include <stack> #include <queue> using namespace std; typedef long long ll; const int MAX_H = 1000; const int MAX_W = 1000; const int DY[4] = {-1, 0, 0, 1}; const int DX[4] = { 0,-1, 1, 0}; struct Coord { int y; int x; int dist; Coord(int y, int x, int dist){ this->y = y; this->x = x; this->dist = dist; } }; int field[MAX_H][MAX_W][2]; bool walking[MAX_H][MAX_W][4]; int w, h, n; void walk(int from, int to){ int fromY = from/w; int fromX = from%w; int toY = to/w; int toX = to%w; if(fromY < toY){ field[fromY][fromX][0]++; field[toY][toX][0]--; }else if(fromX < toX){ field[fromY][fromX][1]++; field[toY][toX][1]--; }else if(fromY > toY){ field[fromY][fromX][0]--; field[toY][toX][0]++; }else{ field[fromY][fromX][1]--; field[toY][toX][1]++; } } void cleanField(){ int valuesW[w]; int valuesH[h]; memset(valuesW, 0, sizeof(valuesW)); memset(valuesH, 0, sizeof(valuesH)); for(int y = 0; y < h; y++){ for(int x = 0; x < w; x++){ if(y > 0 && valuesW[x] > 0){ walking[y-1][x][3] = true; walking[y][x][0] = true; } if(x > 0 && valuesH[y] > 0){ walking[y][x-1][2] = true; walking[y][x][1] = true; } valuesW[x] += field[y][x][0]; valuesH[y] += field[y][x][1]; } } } int main(){ memset(field, 0, sizeof(field)); memset(walking, false, sizeof(walking)); cin >> w >> h >> n; for(int i = 0; i < n; i++){ int m; scanf("%d", &m); int bp = 0; int p = 0; for(int j = 0; j < m+1; j++){ bp = p; scanf("%d", &p); if(j > 0){ walk(bp, p); } } } cleanField(); queue<Coord> que; que.push(Coord(0, 0, 0)); int minDist = INT_MAX; int checkList[h][w]; memset(checkList, -1, sizeof(checkList)); while(!que.empty()){ Coord coord = que.front(); que.pop(); int z = coord.y * w + coord.x; if(checkList[coord.y][coord.x] >= 0 && checkList[coord.y][coord.x] <= coord.dist) continue; checkList[coord.y][coord.x] = coord.dist; if(h*w-1 == z){ minDist = coord.dist; break; } for(int i = 0; i < 4; i++){ int ny = coord.y + DY[i]; int nx = coord.x + DX[i]; if(ny < 0 || h <= ny || nx < 0 || w <= nx) continue; if(walking[coord.y][coord.x][i]){ que.push(Coord(ny, nx, coord.dist+1)); } } } if (minDist == INT_MAX){ cout << "Odekakedekinai.." << endl; }else{ cout << minDist << endl; } return 0; }