记录编号 |
588518 |
评测结果 |
AAAAAAAAAA |
题目名称 |
[POJ 3061]子段和问题 |
最终得分 |
100 |
用户昵称 |
┭┮﹏┭┮ |
是否通过 |
通过 |
代码语言 |
C++ |
运行时间 |
0.161 s |
提交时间 |
2024-06-04 15:07:38 |
内存使用 |
3.90 MiB |
显示代码纯文本
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define F(i,a,b) for(int i = a;i <= b;i++)
#define D(i,a,b) for(int i = a;i >= b;i--)
#define fi first
#define se second
#define pii pair<int,int>
#define pb(x) push_back(x)
const int N = 1e5+10,M = 1e6+10;
const ll inf = 1e17,mod = 998244353;
ll read(){
ll x = 0,f = 1;char c = getchar();
for(;c < '0' || c > '9';c = getchar())if(c == '-')f = -1;
for(;c >= '0' && c <= '9';c = getchar())x = (x<<3) + (x<<1) + c-'0';
return x * f;
}
int t,n;
ll a[N],m;
int main(){
freopen("subsequence.in","r",stdin);
freopen("subsequence.out","w",stdout);
t = read();
while(t--){
ll sum = 0,ans = inf;
n = read(),m = read();
memset(a,0,sizeof a);
F(i,1,n)a[i] = read();
for(int l = 1,r = 0;l <= n;l++){
while(sum < m && r <= n)sum += a[++r];
if(sum >= m)ans = min(ans,(long long)r-l+1);
sum -= a[l];
}
if(ans == inf)printf("0\n");
else printf("%lld\n",ans);
}
return cerr<<endl<<"Time:"<<clock()<<"ms"<<endl,0;
}