Submission

Score: 100

User: winwin1054

Problemset: ผลบวก (ง่าย)

Language: c

Time: 0.068 second

Submitted On: 2026-03-11 12:58:10

// Online C compiler to run C program online
#include <stdio.h>
#include <string.h>

int main() {
    int n,x,y,sum = 0;
    scanf("%d",&n);
    int a[n];
    for(int i=0;i<n;i++)
    {
        scanf("%d",&a[i]);
    }
    scanf("%d%d",&x,&y);
    for(int i=0;i<n;i++)
    {
        if(i>=x&&i<=y)
        {
            sum += a[i];
        }
    }
    printf("%d",sum);
}