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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 |
|---|---|---|---|---|---|---|---|---|---|
| #738904 | #8057. Best Carry Player 4 | lixp# | TL | 0ms | 0kb | C++17 | 1.0kb | 2024-11-12 20:12:12 | 2024-11-12 20:12:27 |
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=5e5+10;
int a[N],b[N],n;
long long ans;
bool flag;
void solve() {
scanf("%lld",&n);
for(int i=1;i<=n;i++)
scanf("%lld",&a[i]);
for(int i=1;i<=n;i++)
scanf("%lld",&b[i]);
if(n==2) {
if(a[2]+b[2]>=1) cout<<a[2]+b[2]-1<<"\n";
else cout<<"0\n";
return;
}
int sma=0,smb=0;
for(int i=2,j=n-1;i<n;i++,j--) {
int mn=min(a[i],b[j]);
a[i]-=mn,b[j]-=mn; ans+=mn;
smb+=b[j];
if(a[i] && smb) flag=1;
mn=min(a[i],smb);
a[i]-=mn; smb-=mn; ans+=mn;
if(!flag && a[i] && b[n]) b[n]--,a[i]--,flag=1,ans++;
if(!flag && smb && a[n]) a[n]--,smb--,flag=1,ans++;
}
ans+=a[n]+b[n];
if(flag) cout<<ans<<"\n";
else cout<<ans-1<<"\n";
}
void init() {
flag=false; ans=0;
}
signed main() {
freopen("inn.in","r",stdin);
int T;scanf("%lld",&T);
while(T--) {
init(); solve();
}
return 0;
}
详细
Test #1:
score: 0
Time Limit Exceeded
input:
5 2 1 2 3 4 3 1 0 1 0 1 0 4 1 0 0 1 1 1 1 1 5 123456 114514 1919810 233333 234567 20050815 998244353 0 0 0 10 5 3 5 3 2 4 2 4 1 5 9 9 8 2 4 4 3 5 3 0
output:
-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 ...