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답안 #391220

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
391220 2021-04-18T09:22:40 Z sad Trol (COCI19_trol) C++14
50 / 50
 1 ms 464 KB 
#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define pb push_back
using namespace std;
ll go (ll x)
{
    while(x>9)
    {
        ll y=0;
        y=x;
        x=0;
        while(y>0)
        {
            x+=y%10;
            y/=10;
        }
    }
    return x;
}
int main()
{
    int t;
    cin>>t;
    while(t--)
    {
        ll l,r;
        cin>>l>>r;
        ll re=0;
        ll len=r-l+1;
        for(ll i=l;i<=r;i++)
        {
            re+=go(i);len--;
            if(go(i)==go(r))break;
        }
        ll w=len/9;
        re+=w*45;
        cout<<re<<endl;
    }
}

Subtask #1
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 464 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct