Submission #938165

#	Time	Username	Problem	Language	Result	Execution time	Memory
938165		irmuun	Catfish Farm (IOI22_fish)	C++17	Compilation error	0 ms	0 KiB

fish

#include<bits/stdc++.h>
 
using namespace std;
 
#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

ll max_weights(int n,int m,vector<int>x,vector<int>y,vector<int>w){
    int even=0,X=0,Y=0;
    for(int i=0;i<m;i++){
        X=max(X,x[i]);
        Y=max(Y,y[i]);
        if(x[i]%2==0) even++;
    }
    if(even==m){
        ll ans=0;
        for(int i=0;i<m;i++){
            ans+=w[i];
        }
        return ans;
    }
    if(X[i]<=1){
        ll ans=0,cur=0;
        for(int i=0;i<m;i++){
            if(x[i]==0){
                ans+=w[i];
            }
            else{
                cur+=w[i];
            }
        }
        if(n==2) return max(ans,cur);
        ll sum[n][2];
        memset(sum,0,sizeof sum);
        for(int i=0;i<m;i++){
            sum[y[i]][x[i]]+=w[i];
        }
        ans=max(ans,cur);
        for(int i=1;i<n;i++){
            ans=max(ans,sum[i][0]+sum[n-1][1]-sum[i][1]);
        }
        return ans;
    }
}

Compilation message (stderr)

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:26:10: error: 'i' was not declared in this scope
   26 |     if(X[i]<=1){
      |          ^
fish.cpp:48:1: warning: control reaches end of non-void function [-Wreturn-type]
   48 | }
      | ^