| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 674727 | 2022-12-26T01:32:15 Z | vjudge1 | 쌀 창고 (IOI11_ricehub) | C++17 | 0 ms | 0 KB |
#include <algorithm>
#include <iostream>
#include <cstdlib>
#include <cstring>
#include <cstdio>
#include <cmath>
#define re
using namespace std;
typedef long long ll;
inline ll read() {
ll X=0,w=1; char c=getchar();
while (c<'0'||c>'9') { if (c=='-') w=-1; c=getchar(); }
while (c>='0'&&c<='9') X=X*10+c-'0',c=getchar();
return X*w;
}
const int N=100000+10;
int n,l; ll c;
int a[N]; ll sum[N];
inline int check(int mid) {
for (re int i=1,j=i+mid-1;j<=n;++i,++j) {
ll now; int m=(i+j)>>1;
if (mid&1) now=(sum[j]-sum[m])-(sum[m-1]-sum[i-1]);
else now=(sum[j]-sum[m])-(sum[m]-sum[i-1]);
if (now<=c) return 1;
}
return 0;
}
int main() {
n=read(),l=read(),c=read();
for (re int i=1;i<=n;++i) a[i]=read();
for (re int i=1;i<=n;++i) sum[i]=sum[i-1]+a[i];
int L=1,R=n;
while (L<R) {
int mid=(L+R+1)>>1;
if (check(mid)) L=mid;
else R=mid-1;
}
printf("%d\n",L);
return 0;
}