Submission #1360690

#	Time	Username	Problem	Language	Result	Execution time	Memory
1360690		nataliaa	Rice Hub (IOI11_ricehub)	C++20	Compilation error	0 ms	0 KiB

ricehub

#include "ricehub.h"
#include<bits/stdc++.h>
using namespace std;
int besthub(int r1, int l1, int x[], long long B)
{   
    long long R = r1;
    long long L = l1;
    int X[R];
    for(int i = 0; i < R; i++)  X[i] = x[i];
    int pre[R]={};
    pre[0] = X[0];
    int suf[R] = {};
    suf[R-1] = X[R-1];
    
    for(int i = 1; i<r1; i++){
        pre[i] = pre[i-1]+X[i];
    }
    for(int i = R-2; i>= 0; i--){
        suf[i] = suf[i]+suf[i+1];
    }
    long long ans = 0;
	long long l = 0, r = R;
	while(l<=r) {
	    long long m = (l+r)/2;
	    bool t = 0;
	    for(int i = 0; i < R ; i++) {
	        if(i+m<=R) {
	            long long cnt = 0;
	            long long l1 = i, r1 = n- i;
                cnt = i*i - pre[i];
                cnt += pre[R-1] - pre[i]*(n-i-1);
	            if(cnt<=B) {
	                t=1;
	                break;
	            }
	        }
	        else break;
	    }
	    if(t) l = m+1;
	    else r= m-1;
	    
	}
	return r;
}

Compilation message (stderr)

ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:29:44: error: 'n' was not declared in this scope
   29 |                     long long l1 = i, r1 = n- i;
      |                                            ^