oj.uz

답안 #706600

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
706600 2023-03-07T06:29:53 Z YugiHacker Trol (COCI19_trol) C++14
50 / 50
 1 ms 316 KB 
#include<bits/stdc++.h>
#define el cout<<"\n"
#define f0(i,n) for(int i=0;i<n;++i)
#define f1(i,n) for(int i=1;i<=n;++i)
#define maxn
using namespace std;
int t;
long long l, r;
long long calc(long long n)
{
    long long x = n/9;
    long long ans = x * 45;
    n%=9;
    f1 (i, n) ans += i;
    return ans;
}
main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin >> t;
    while (t--)
    {
        cin >> l >> r;
        cout << calc(r) - calc(l-1); el;
    }
}

Compilation message

trol.cpp:17:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   17 | main()
      | ^~~~

Subtask #1
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 316 KB Output is correct