Submission #975616

#TimeUsernameProblemLanguageResultExecution timeMemory
975616vjudge1Trol (COCI19_trol)C++17
30 / 50
1096 ms388 KiB
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define faster ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

int solve(int x){
    while(x>9){
        int tmp = x;
        x = 0;
        while(tmp>0){
            x+=tmp%10;
            tmp/=10;
        }
    }
    return x;
}

int bruh(int l, int r){
    int sum = 0;
for(int i = l; i <= r ; i++){
    sum+= solve(i);
}
return sum;
}

signed main(){
    faster
    int q;
    int ax, bx;
    cin >> q;
    while(q--){
    cin >> ax >> bx;
    cout << bruh(ax,bx) << '\n';
    }
}
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