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답안 #975682

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
975682 2024-05-05T17:36:17 Z vjudge1 Trol (COCI19_trol) C++17
0 / 50
 1 ms 348 KB 
#include<bits/stdc++.h>
#define ll long long
using namespace std;

const ll MOD = 1e9+7;
const ll INF = 1e18;

ll mod_9(ll n) {
    return n % 9;
}

void solve(){
    ll q; cin >> q;
    while(q--){
        ll l, r; cin >> l >> r;
        ll ans = 0;
        for(ll i=1; i<=8; i++) {
            ans += mod_9(i);
        }
        ll comp = (r - l + 1) / 9;
        ans *= comp;
        for(ll i=l+comp*9; i<=r; i++) {
            ans += mod_9(i);
        }
        cout << ans << '\n';
    }
}

int main(){
    ll t=1;// cin >> t;
    while(t--){
        solve();
    }
    return 0;
}

Subtask #1
0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Incorrect 1 ms 344 KB Output isn't correct
5 Incorrect 1 ms 348 KB Output isn't correct