HDU 5783 Divide the Sequence
~思路
要求是求幾個連續數組和大于等于0,有多少組,從後往前貪心即可
//#include <bits/stdc++.h>
#include <stdio.h>
#include <iostream>
#include <string.h>
#include <stack>
#include <algorithm>
#include <queue>
#include <map>
#include <cmath>
using namespace std;
int main() {
long long n,ans;
long long sum;
long long a[];
while(~scanf("%lld",&n)){
sum=;
ans=;
for(int i=;i<n;i++){
scanf("%lld",&a[i]);
}
for(int i=n-;i>=;i--){
sum+=a[i];
if(sum>=){
ans++;
sum=;
}
}
printf("%lld\n",ans);
}
return ;
}