Submission #1312063

#	Time	Username	Problem	Language	Result	Execution time	Memory
1312063		eri16	Mosaic (IOI24_mosaic)	C++20	Compilation error	0 ms	0 KiB

mosaic

#include <bits/stdc++.h>
using namespace std;

using ll = long long;

vector<ll> mosaic(vector<int> X, vector<int> Y,vector<int> T, vector<int> B,vector<int> L, vector<int> R){
    
    int arr[5005][5005];
    int dp[5005][5005];
    
    ll n = X.size();
    
    for (int i=0; i<n; i++){arr[0][i]=X[i];}
    for (int i=0; i<n; i++){arr[i][0]=Y[i];}    
    
    dp[0][0]=arr[0][0];
    
    for (int i=1; i<n; i++){
        dp[0][i]=dp[0][i-1]+arr[0][i];
        dp[i][0]=dp[i-1][0]+arr[i][0];        
    }
    
    for (int i=1; i<n; i++){
        for (int j=1; j<n; j++){
            arr[i][j]= 1 - (arr[i-1][j] | arr[i][j-1]);
            dp[i][j]=dp[i][j-1]+dp[i-1][j]-dp[i-1][j-1]+arr[i][j];
        }
    }
    
    ll q = T.size();
    
    vector <ll> ans;
    
    ll t,b,l,r;
    
    for (int i=0; i<q; i++){
        
        t=T[i];
        b=B[i];
        l=L[i];
        r=R[i];
        
        ll sm=dp[b][r];
        
        if (l){sm-=dp[b][l-1];}
        if (t){sm-=dp[t-1][r];}
        if (l && t){sm+=dp[t-1][l-1];}
        
        ans.push_back(sm);
    }
    return ans;
}    

int main(){
    
    vector <int> x = {1, 0, 1, 0};
    vector <int> y = {1, 1, 0, 1};
    vector <int> t = {0, 2};
    vector <int> b = {3, 3};
    vector <int> l = {0, 0};
    vector <int> r = {3, 2};
    
    vector <ll> ans = mosaic(x,y,t,b,l,r);
    
    for (auto x : ans){cout<<x<<' ';}
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccpyAtqA.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccwmXmFt.o:mosaic.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status