Submission #892439

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
892439	2023-12-25 10:47:47	tnknguyen_	Tracks in the Snow (BOI13_tracks)	C++14	19.79 / 100	946 ms	273620 KiB

tracks

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#include <bits/stdc++.h>
using namespace std;
#define endl '\n' 
/**
* IDEA:
*/
const int sz = 4e3 + 5;
int m, n;
int a[sz][sz], vi[sz][sz], d[sz][sz];
int dx[4] = {0, 1, 0, -1};
int dy[4] = {1, 0, -1, 0};
bool valid(int x, int y){
    return (x >= 1 && x <= m && y >= 1 && y <= n);
}
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    // freopen("main.inp","r",stdin);
    // freopen("main.out","w",stdout);
    cin>>m>>n;
    for(int i=1;i<=m;++i){
        for(int j=1;j<=n;++j){
            char c;
 
 
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Compilation message (stderr)

tracks.cpp: In function 'int main()':
tracks.cpp:33:25: warning: statement has no effect [-Wunused-value]
   33 |                 a[i][j] == -1;
      |                 ~~~~~~~~^~~~~

• Subtask 1: 6.666666666666667 / 30
• Subtask 2: 13.125 / 70