Submission #948907

# Submission time Handle Problem Language Result Execution time Memory
948907 2024-03-18T16:10:56 Z vjudge1 Land of the Rainbow Gold (APIO17_rainbow) C++17
Compilation error
0 ms 0 KB
#include <bits/stdc++.h>
#include "rainbow.h"
#define endl '\n'
#define mp make_pair
#define pb push_back
#define f first
#define s second
#define fo(i,n) for(auto i =0 ; i < n;i++)
#define fore(i,l,r) for(auto i = l; i < r;i++)
#define forex(i,r,l) for(auto i = r; i >= l; i--)
#define ffo(i,n) forex(i,n-1,0)
#define all(x) x.begin(),x.end()
#define lsb(x) x&(-x)
#define sz(x) (int)x.size()
#define gcd(a,b) __gcd(a,b)
#define vii vector<ii>
using namespace std;
using ii = pair<int,int>; using ll = long long; using ull = unsigned long long;
using vi = vector<ll>;
void valid(int in){cout<<((in)?"YES\n":"NO\n");return;}
vector<vi> arr;
void init(int n, int m, int sr ,int sc, int movs, char *moves){
    arr.resize(n+1, vi(m+1,0));arr[sr][sc] = 1;
    fo(i,movs){
        if(moves[i] == 'N')sr--;
        else if(moves[i]=='S')sr++;
        else if(moves[i]=='E')sc++;
        else if(moves[i]=='W')sc--;
        arr[sr][sc] = 1;
    }
}
int colours(int r1, int c1, int r2 ,int c2){
    vector<vi> vis(55, vi(55,0));vi dir = {0,1,0,-1,0};int con = 0;
    fore(i, r1, r2+1){
        fore(j, c1, c2+1){
            if(vis[i][j] || arr[i][j])continue;
            queue<ii> q;q.push({i,j});vis[i][j]=1;con++;
            while(q.size()){
                ii where = q.front();q.pop();
                fo(k,4){
                    int ni = where.f + dir[k], nj = where.s + dir[k+1];
                    if(ni<r1 || nj<c1 || ni>r2 || nj>c2)continue;
                    if(vis[ni][nj] || arr[ni][nj]) continue;
                    vis[ni][nj]=1;q.push({ni, nj});
                }
            }
        }
    }return con;
}

Compilation message

/usr/bin/ld: /tmp/cc1ctQ5P.o: in function `main':
grader.cpp:(.text.startup+0x167): undefined reference to `colour(int, int, int, int)'
collect2: error: ld returned 1 exit status