Submission

Score: 100

User: koratkamchatka

Problemset: ผลบวก (ง่าย)

Language: cpp

Time: 0.092 second

Submitted On: 2026-10-05 18:37:53

#include <iostream>
int main(){
    int jumnuan;
    std::cin >> jumnuan;
    int osu[jumnuan];
    int x,y;
    int sum=0;
    for(int i = 0; i < jumnuan; i++){
        std::cin >> osu[i];
    }
    std::cin >> x >> y;
    for(int j=x; j<=y; j++){
        sum=sum+osu[j];
    }
    std::cout << sum;
}