Submission #916441

#	Time	Username	Problem	Language	Result	Execution time	Memory
916441		svaz	Patkice (COCI20_patkice)	C++14	50 / 50	1 ms	348 KiB

patkice

#include<bits/stdc++.h>
using namespace std;
int main(){
    int r,s,inx,iny;
    cin>>r>>s;
    char matriz[r][s];
    for(int i=0;i<r;i++){
        for(int j=0;j<s;j++){
            cin>>matriz[i][j];
            if(matriz[i][j]=='o'){
                inx=i;
                iny=j;
            }
        }
    }
    int x,y,cp,ans=(r*s)+10;
    char opt='Z';
    x=inx;
    y=iny+1;
    cp=0;
    while(matriz[x][y]!='.' && matriz[x][y]!='x' && matriz[x][y]!='o' && x>=0 && x<r && y>=0 && y<s){
       // cout<<x<<" "<<y<<endl;
        cp++;
        if(matriz[x][y]=='>')y++;
        else if(matriz[x][y]=='<')y--;
        else if(matriz[x][y]=='^')x--;
        else if(matriz[x][y]=='v')x++;
    }
    if(x>=0 && x<r && y>=0 && y<s){
        if(matriz[x][y]=='x'){
            if(cp<ans){
                ans=cp;
                opt='E';
               // cout<<"e:"<<cp<<endl;
            }
        }
    }
    x=inx-1;
    y=iny;
    cp=0;
    while(matriz[x][y]!='.' && matriz[x][y]!='x' && matriz[x][y]!='o' && x>=0 && x<r && y>=0 && y<s){
        cp++;
        if(matriz[x][y]=='>')y++;
        else if(matriz[x][y]=='<')y--;
        else if(matriz[x][y]=='^')x--;
        else if(matriz[x][y]=='v')x++;
    }
    if(x>=0 && x<r && y>=0 && y<s){
        if(matriz[x][y]=='x'){
            if(cp<ans){
                ans=cp;
                opt='N';
                               // cout<<"n:"<<cp<<endl;
            }

        }
    }
    x=inx+1;
    y=iny;
    cp=0;
    while(matriz[x][y]!='.' && matriz[x][y]!='x' && matriz[x][y]!='o' && x>=0 && x<r && y>=0 && y<s){
       // cout<<x<<" "<<y<<endl;
        cp++;
        if(matriz[x][y]=='>')y++;
        else if(matriz[x][y]=='<')y--;
        else if(matriz[x][y]=='^')x--;
        else if(matriz[x][y]=='v')x++;
    }
    if(x>=0 && x<r && y>=0 && y<s){
        if(matriz[x][y]=='x'){
            if(cp<ans){
                ans=cp;
                opt='S';
                                //cout<<"s:"<<cp<<endl;

            }

        }
    }
    x=inx;
    y=iny-1;
    cp=0;
    while(matriz[x][y]!='.' && matriz[x][y]!='x' && matriz[x][y]!='o' && x>=0 && x<r && y>=0 && y<s){
        cp++;
        if(matriz[x][y]=='>')y++;
        else if(matriz[x][y]=='<')y--;
        else if(matriz[x][y]=='^')x--;
        else if(matriz[x][y]=='v')x++;
    }
    if(x>=0 && x<r && y>=0 && y<s){
        if(matriz[x][y]=='x'){
            if(cp<ans){
                ans=cp;
                opt='W';
                              //  cout<<"w:"<<cp<<endl;
            }
        }
    }

    if(opt=='Z')cout<<":(\n";
    else{
      cout<<":)\n";
      cout<<opt<<"\n";
    }
    return 0;
}

Compilation message (stderr)

patkice.cpp: In function 'int main()':
patkice.cpp:58:6: warning: 'inx' may be used uninitialized in this function [-Wmaybe-uninitialized]
   58 |     x=inx+1;
      |     ~^~~~~~
patkice.cpp:61:22: warning: 'iny' may be used uninitialized in this function [-Wmaybe-uninitialized]
   61 |     while(matriz[x][y]!='.' && matriz[x][y]!='x' && matriz[x][y]!='o' && x>=0 && x<r && y>=0 && y<s){
      |           ~~~~~~~~~~~^

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