Submission #1256462

#	Time	Username	Problem	Language	Result	Execution time	Memory
1256462		raiihan	Trol (COCI19_trol)	C++20	20 / 50	1095 ms	328 KiB

trol

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

int c(int a){
    int ans=0;
    while (a!=0){
        ans+=a%10;
        a/=10;
    }
    if (ans/10!=0)return c(ans);
    return ans;
}

int sum(int y,int x){
    int ans=0;
    for (int i=y-1;i<x;i++)ans+=i%9+1;
    return ans;
}
int main() {
    int q;
    cin>>q;
    while (q--){
        int l,r;cin>>l>>r;
        cout<<sum(l,r)<<endl;
    }
}

• Subtask 1: 20 / 50