oj.uz

Submission #705772

# Submission time Handle Problem Language Result Execution time Memory
705772 2023-03-05T07:56:28 Z Abito Patkice (COCI20_patkice) C++17
50 / 50
 1 ms 340 KB 
#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define ppb pop_back
#define ep insert
#define endl '\n'
#define elif else if
#define pow pwr
#define sqrt sqrtt
#define int long long
typedef unsigned long long ull;
using namespace std;
const int N=105;
int n,m,mvx[]={0,-1,1,0},mvy[]={1,0,0,-1};
char a[N][N];
int dfs(int x,int y){
    if (a[x][y]=='x') return 1;
    if (a[x][y]=='.' || a[x][y]=='o') return INT_MIN;
    if (a[x][y]=='^') return dfs(x-1,y)+1;
    if (a[x][y]=='v') return dfs(x+1,y)+1;
    if (a[x][y]=='>') return dfs(x,y+1)+1;
    if (a[x][y]=='<') return dfs(x,y-1)+1;

}
int32_t main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    bool ok=false;
    char c='h';
    int mn=INT_MAX;
    cin>>n>>m;
    int x=0,y=0;
    for (int i=1;i<=n;i++){
        for (int j=1;j<=m;j++){
            cin>>a[i][j];
            if (a[i][j]=='o'){
                x=i;
                y=j;
            }
        }
    }
    for (int i=0;i<4;i++){
        int d=dfs(x+mvx[i],y+mvy[i]);
        if (d<0) continue;
        ok=true;
        if (d<mn){
            mn=d;
            if (i==0) c='E';
            if (i==1) c='N';
            if (i==2) c='S';
            if (i==3) c='W';
        }
    }
    if (ok) cout<<":)"<<endl<<c<<endl;
    else cout<<":("<<endl;
    return 0;
}

Compilation message

patkice.cpp: In function 'long long int dfs(long long int, long long int)':
patkice.cpp:25:1: warning: control reaches end of non-void function [-Wreturn-type]
   25 | }
      | ^

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 324 KB Output is correct
10 Correct 0 ms 212 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 324 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 224 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 328 KB Output is correct
20 Correct 0 ms 212 KB Output is correct