Submission #536656

#	Time	Username	Problem	Language	Result	Execution time	Memory
536656		ammar2000	Land of the Rainbow Gold (APIO17_rainbow)	C++17	11 / 100	15 ms	828 KiB

rainbow

#include "rainbow.h"
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define F first
//#define S second
#define coy cout<<"YES\n"
#define con cout<<"NO\n"
#define co1 cout<<"-1\n"
#define sc(x) scanf("%lld",&x)
#define all(x) x.begin(),x.end()
#define fast ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
using namespace std;
const int SI=3e5+7;
ll INF=8e18+7;
int dx[] = {1 , -1 , 0 , 0};
int dy[] = {0 , 0 , 1 , -1};
int MOD=1e9+7;
ll n,m,g[55][55];
ll vis[55][55],col;
ll u,l,d,r;
bool valid(int x,int y)
{
    return x>=u&&x<=d&&y>=l&&y<=r&&g[x][y]==0&&vis[x][y]!=col;
}
void dfs(int x,int y)
{
 //   cout <<x<<" "<<y<<"\n";
    vis[x][y]=col;
    for (int i=0;i<4;i++)
    {
        if (valid(x+dx[i],y+dy[i]))
            dfs(x+dx[i],y+dy[i]);
    }
}
void init(int R, int C, int sr, int sc, int M, char *S) {
     n=R,m=C;
    g[sr][sc]=1;
    for (int i=0;i<M;i++)
    {
        if (S[i]=='N')
            sr--;
        else if (S[i]=='S')
            sr++;
        else if (S[i]=='E')
            sc++;
        else sc--;
        g[sr][sc]=1;
    }

}

int colour(int ar, int ac, int br, int bc) {
    col++;
    u=ar,l=ac,d=br,r=bc;
    ll ret=0;
    for (int i=ar;i<=br;i++)
        for (int u=ac;u<=bc;u++)
    {
        if (vis[i][u]!=col&&g[i][u]==0)
            ret++,dfs(i,u);
    }
    return ret;
}

• Subtask 1: 11 / 11
• Subtask 2: 0 / 12
• Subtask 3: 0 / 24
• Subtask 4: 0 / 27
• Subtask 5: 0 / 26