Submission

Score: 100

User: spiwips

Problemset: ผลบวก (ง่าย)

Language: c

Time: 0.047 second

Submitted On: 2025-10-13 17:33:43

#include<stdio.h>

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