oj.uz

Submission #707485

# Submission time Handle Problem Language Result Execution time Memory
707485 2023-03-09T05:31:54 Z GudStonks Patkice (COCI20_patkice) C++17
30 / 50
 1 ms 212 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ld long double
#define ft first
#define sd second
int n, m;
char ch[105][105];
pair<int, int>s;
const int dirx[4] = {0, 1, 0, -1};
const int diry[4] = {1, 0, -1, 0};

int dfs(int x, int y){
	if(ch[x][y] == '.' || ch[x][y] == 'o')return -2e9;
	if(ch[x][y] == 'x')return 1;
	if(ch[x][y] == '^')return dfs(x - 1, y) + 1;
	if(ch[x][y] == 'v')return dfs(x + 1, y) + 1;
	if(ch[x][y] == '>')return dfs(x, y + 1) + 1;
	if(ch[x][y] == '<')return dfs(x, y - 1) + 1;
}

void fun(){
	cin>>n>>m;
	for(int i = 1; i <= n; i++){
		for(int j = 1; j <= m; j++){
			cin>>ch[i][j];
			if(ch[i][j] == 'o')
				s = {i, j};
		}
	}
	char c = 'h';
	bool ok = false;
	int mn = 2e9;
    for (int i=0;i<4;i++){
        int d=dfs(s.ft+dirx[i],s.sd+diry[i]);
        if (d<0) continue;
        ok=true;
        if (d<mn){
            mn=d;
            if (i==0) c='E';
            if (i==1) c='S';
            if (i==2) c='W';
            if (i==3) c='N';
        }
    }
    if (ok) cout<<":)"<<endl<<c<<endl;
    else cout<<":("<<endl;

}

signed  main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	int ttt = 1;
	//cin>>ttt;
	while(ttt--)fun();
}

Compilation message

patkice.cpp: In function 'long long int dfs(long long int, long long int)':
patkice.cpp:20:1: warning: control reaches end of non-void function [-Wreturn-type]
   20 | }
      | ^

Subtask #1
30.0 / 30.0

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

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Incorrect 0 ms 212 KB Output isn't correct
19 Halted 0 ms 0 KB -