Submission #404047

#	Time	Username	Problem	Language	Result	Execution time	Memory
404047		Dynamic_Cast	Patkice (COCI20_patkice)	C++11	0 / 50	1089 ms	204 KiB

patkice

//#include <bits/stdc++.h> C++11
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cmath>
#include <stdio.h>
#include <time.h>
#include <iomanip>
#include <stdlib.h>
#include <list>
#include <stack>
#include <queue>
#include <climits>
#include <map>
#include <set>
#include<sstream>
using namespace std;
typedef long long ll;
typedef pair<int,int> pi;
typedef vector<int> vi;
#define PB push_back
#define MP make_pair
#define REP(i,a,b) for(ll i=(ll) a; i<(ll) b; i++)

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    short r,s;
    char sea[101][101];
    scanf("%hd%hd",&r,&s);
    short X,Y;
    short x,y;
    for(int i=0;i<r;i++){
        for(int j=0;j<s;j++){
            scanf(" %c",&sea[i][j]);
            if (sea[i][j]=='o'){
                X=i;
                Y=j;
            }
        }
    }
    x=X;
    y=Y;
    int coun=0;
    x = X;
    y = Y;
    int mi=100000;
    int last=-1;
    x = X;
    y = Y;
    if (y + 1 < s)
    {
        x = X;
        y = Y;
        y = y + 1;
        coun = 0;
        while (1)
        {
            if (sea[x][y] == 'x')
            {
                if (mi > coun)
                {
                    mi = coun;
                    last = 1;
                }
                break;
            }
            if (sea[x][y] == '.')
            {
                break;
            }
            if (sea[x][y] == '>')
            {
                y++;
                coun++;
                continue;
            }
            if (sea[x][y] == '<')
            {
                y--;
                coun++;
                continue;
            }
            if (sea[x][y] == '^')
            {
                x--;
                coun++;
                continue;
            }
            if (sea[x][y] == 'v')
            {
                x++;
                coun++;
                continue;
            }
        }
    }
    x = X;
    y = Y;
    if (x - 1 >= 0)
    {
        x = X;
        y = Y;
        x = x - 1;
        coun = 0;
        while (1)
        {
            if (sea[x][y] == 'x')
            {
                if (mi > coun)
                {
                    mi = coun;
                    last = 2;
                }
                break;
            }
            if (sea[x][y] == '.')
            {
                break;
            }
            if (sea[x][y] == '>')
            {
                y++;
                coun++;
                continue;
            }
            if (sea[x][y] == '<')
            {
                y--;
                coun++;
                continue;
            }
            if (sea[x][y] == '^')
            {
                x--;
                coun++;
                continue;
            }
            if (sea[x][y] == 'v')
            {
                x++;
                coun++;
                continue;
            }
        }
    }
    x = X;
    y = Y;
    if (x + 1 < r)
    {
        x = X;
        y = Y;
        x = x + 1;
        coun = 0;
        while (1)
        {
            if (sea[x][y] == 'x')
            {
                if(mi>coun){
                    mi=coun;
                    last=3;
                }
                break;
            }
            if (sea[x][y] == '.')
            {
                break;
            }
            if (sea[x][y] == '>')
            {
                y++;
                coun++;
                continue;
            }
            if (sea[x][y] == '<')
            {
                y--;
                coun++;
                continue;
            }
            if (sea[x][y] == '^')
            {
                x--;
                coun++;
                continue;
            }
            if (sea[x][y] == 'v')
            {
                x++;
                coun++;
                continue;
            }
        }
    }
    x = X;
    y = Y;
    if (y - 1 >= 0)
    {
        x = X;
        y = Y;
        y = y - 1;
        coun = 0;
        while (1)
        {
            if (sea[x][y] == 'x')
            {
                if (mi > coun)
                {
                    mi = coun;
                    last = 4;
                }
                break;
            }
            if (sea[x][y] == '.')
            {
                break;
            }
            if (sea[x][y] == '>')
            {
                y++;
                coun++;
                continue;
            }
            if (sea[x][y] == '<')
            {
                y--;
                coun++;
                continue;
            }
            if (sea[x][y] == '^')
            {
                x--;
                coun++;
                continue;
            }
            if (sea[x][y] == 'v')
            {
                x++;
                coun++;
                continue;
            }
        }
    }

    if(last==-1){
        printf(":(\n");
        return 0;
    }
    if (last == 1)
    {
        printf(":)\nE\n");
        return 0;
    }
    if (last == 2)
    {
        printf(":)\nN\n");
        return 0;
    }
    if (last == 3)
    {
        printf(":)\nS\n");
        return 0;
    }
    if (last == 4)
    {
        printf(":)\nW\n");
        return 0;
    }
}

Compilation message (stderr)

patkice.cpp: In function 'int main()':
patkice.cpp:31:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |     scanf("%hd%hd",&r,&s);
      |     ~~~~~^~~~~~~~~~~~~~~~
patkice.cpp:36:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |             scanf(" %c",&sea[i][j]);
      |             ~~~~~^~~~~~~~~~~~~~~~~~
patkice.cpp:202:15: warning: 'Y' may be used uninitialized in this function [-Wmaybe-uninitialized]
  202 |         y = y - 1;
      |             ~~^~~
patkice.cpp:32:11: warning: 'X' may be used uninitialized in this function [-Wmaybe-uninitialized]
   32 |     short X,Y;
      |           ^

• Subtask 1: 0 / 30
• Subtask 2: 0 / 20