Submission #535593

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
535593	2022-03-10 16:01:54	louiskwok	Mecho (IOI09_mecho)	C++17	39 / 100	1095 ms	9924 KiB

mecho

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#include <bits/stdc++.h>
using namespace std;
bool visited[805][805];
int distBee[805][805];
double distBear[805][805];
char g[805][805];
int dr[] = {-1,0,1,0};
int dc[] = {0,1,0,-1};
int mxtime;
int main() {
    queue < pair<int,int> > bfs;
    int n,sr,sc,er,ec;
    double s;
    cin >> n >> s;
    for (int i=1;i<=n;i++) {
        for (int j=1;j<=n;j++) {
            cin >> g[i][j];
            if (g[i][j]=='M') sr = i,sc = j;
            else if (g[i][j]=='D') er = i,ec = j;
            else if (g[i][j]=='H') {
                visited[i][j] = true;
                bfs.push({i,j});
            }
        }
    }
    while (!bfs.empty()) {
        int curR = bfs.front().first;
        int curC = bfs.front().second;
        bfs.pop();
        for (int i=0;i<4;i++) {
 
 
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Compilation message (stderr)

mecho.cpp: In function 'int main()':
mecho.cpp:57:27: warning: 'ec' may be used uninitialized in this function [-Wmaybe-uninitialized]
   57 |         if (visited[er][ec]) return cout << i << endl,0;
      |             ~~~~~~~~~~~~~~^
mecho.cpp:57:27: warning: 'er' may be used uninitialized in this function [-Wmaybe-uninitialized]

• Subtask 1: 39 / 100