View Code of Problem 19

#include <stdio.h>
#include <limits.h>
long long a[60000];
long long b;
long long max(long long a, long long b){
    return a>b?a:b;
}
int main(int argc, char const* argv[])
{
    int n;
    long long ans = INT_MIN*1000LL;
    scanf("%d",&n);
    for (int i=1;i<=n;i++){
        scanf("%I64d",&a[i]);
    }
    for (int i=1;i<=n;i++){
        if (b>=0){
            b = b+a[i];
        }
        else {
            b = a[i];
        }
        ans = max(ans,b);
    }
    printf("%I64d\n",ans);
    return 0;
}