제출 #962619

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
962619	2024-04-14 03:17:57	novus677	Tracks in the Snow (BOI13_tracks)	C++17	100 / 100	526 ms	121716 KiB

tracks

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#include <algorithm>
#include <iostream>
#include <queue>
using namespace std;
int H, W;
char grid[4000][4000];
int visited[4000][4000];
int main() {
    cin >> H >> W;
    for (int i = 0; i < H; ++i) {
        string row;
        cin >> row;
        for (int j = 0; j < W; ++j) {
            grid[i][j] = row[j];
        }
    }
    deque<tuple<int, int>> q;
    q.push_front({0, 0});
    visited[0][0] = 1;
    while (!q.empty()) {
        auto [i, j] = q.front();
        q.pop_front();
        if (i > 0 && !visited[i - 1][j]) {
            if (grid[i - 1][j] == grid[i][j]) {
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 70 / 70