Submission #900797

#	Time	Username	Problem	Language	Result	Execution time	Memory
900797		vjudge1	Land of the Rainbow Gold (APIO17_rainbow)	C++11	Compilation error	0 ms	0 KiB

rainbow

#include<bits/stdc++.h>
using namespace std;
vector< vector<bool> >matriz;
void init(int R,int C,int sr, int sc, int M, string S){
    for(int i=0;i<R;i++){
        vector<bool> fil(C,false);
        matriz.push_back(fil);
    }
    sr--;
    sc--;
    matriz[sr][sc]=1;
    for(int i=0;i<M;i++){
        int dir=S[i];
        if(dir=='N')sr--;
        if(dir=='W')sc--;
        if(dir=='S')sr++;
        if(dir=='E')sc++;
        if(sr>=0 && sr<R && sc>=0 && sc<C) matriz[sr][sc]=1;
        else{
            if(sr<0)sr=0;
            if(sr>=R)sr=R-1;
            if(sc<0)sc=0;
            if(sc>=C)sc=C-1;
        }
    }
}
int colours(int ar,int ac,int br,int bc){
    ar--;
    ac--;
    br--;
    bc--;
    int c=0;
    bool sc=false;
    for(int i=ar;i<=br;i++){
        for(int j=ac;j<=bc;j++){
               // cout<<i<<" "<<j<<endl;
            if(matriz[i][j]==0 && sc==false){
                c++;
                sc=true;
            }
            else{
                if(matriz[i][j]==1){
                  if(ar!=br){
                    if(i==0){
                        if(matriz[i+1][j]==1)sc=false;
                    }
                  }
                  else sc=false;
                }
            }
        }
    }
    return c;
}
/*int main(){
    int R,C,M,Q,sr,sc,ar,ac,br,bc;
    string S;
    cin>>R>>C>>M>>Q;
    cin>>sr>>sc;
    cin>>S;
    init(R,C,sr,sc,M,S);
    for(int i=0;i<Q;i++){
        cin>>ar>>ac>>br>>bc;
        int ans=colours(ar,ac,br,bc);
        cout<<ans<<"\n";
    }
    return 0;
}*/

Compilation message (stderr)

/usr/bin/ld: /tmp/ccbKHH7n.o: in function `main':
grader.cpp:(.text.startup+0xed): undefined reference to `init(int, int, int, int, int, char*)'
/usr/bin/ld: grader.cpp:(.text.startup+0x167): undefined reference to `colour(int, int, int, int)'
collect2: error: ld returned 1 exit status