QOJ.ac
QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#554465 | #8777. Passport Stamps | luqyou | WA | 5ms | 5240kb | C++14 | 810b | 2024-09-09 11:24:11 | 2024-09-09 11:24:14 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define i128 __int128
using namespace std;
#define fi first
#define sc second
#define pii pair<int,int>
#define pb push_back
const int maxn=1e5+10;
int n,num;
i128 p,a[maxn];
bool chk(int x){
i128 now=a[x]-1;
for(int i=1;i<x;i++) now+=a[i],now+=a[x]-1;
return (p-now>=a[x]);
}
void solve(){
cin>>n>>num,p=num;
for(int i=1;i<=n;i++) cin>>num,a[i]=num;
int l=1,r=n,mid=0;
while(l<=r) mid=(l+r)>>1,(chk(mid)?l=mid+1:r=mid-1);
cout<<l-1<<endl;
}
signed main(){
ios::sync_with_stdio(false);
cin.tie(0),cout.tie(0);
int t=1;
// cin>>t;
while(t--) solve();
return 0;
}
/*
Samples
input:
output:
THINGS TODO:
检查freopen,尤其是后缀名
检查空间
检查调试语句是否全部注释
*/
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3628kb
input:
5 15 1 2 3 4 5
output:
3
result:
ok single line: '3'
Test #2:
score: 0
Accepted
time: 4ms
memory: 5240kb
input:
100000 559309580160692839 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
output:
84437
result:
ok single line: '84437'
Test #3:
score: -100
Wrong Answer
time: 5ms
memory: 5192kb
input:
100000 890934113082207108 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
output:
100000
result:
wrong answer 1st lines differ - expected: '53636', found: '100000'