Submission #1341691

#	Time	Username	Problem	Language	Result	Execution time	Memory
1341691		inimad	Trol (COCI19_trol)	C++20	10 / 50	0 ms	344 KiB

trol

#include<bits/stdc++.h>
using namespace std;

#define LL long long

int main() {
    ios::sync_with_stdio(0), cin.tie(0);
    
    int q;
    cin >> q;

    while(q--){
        int l, r;
        cin >> l >> r;
        l--;
        cout << (r * (r + 1)) / 2 - (l * (l+1)) / 2 <<'\n';
    }    
}

• Subtask 1: 10 / 50