OI-Codes/FZOI/数列分段2.cpp
2024-06-26 22:14:00 +08:00

23 lines
425 B
C++

#include<iostream>
using namespace std;
int n, m, a[100010], ans, sum;
int main()
{
cin >> n >> m;
for(int i = 1; i <= n; i ++ )
cin >> a[i];
for(int i = 1; i <= n; i ++ )
{
if(sum + a[i] < m) sum += a[i];
else
{
ans ++ ;
if(sum + a[i] > m) sum = a[i];
else sum=0;
}
}
ans += (sum > 0);
cout << ans;
return 0;
}