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Submission #645310

# Submission time Handle Problem Language Result Execution time Memory
645310 2022-09-26T17:41:38 Z Hacv16 Trol (COCI19_trol) C++17
50 / 50
 1 ms 212 KB 
#include<bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

const int MAX = 2e6 + 15;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;

#define pb push_back
#define sz(x) (int) x.size()
#define fr first
#define sc second
#define mp make_pair
#define all(x) x.begin(), x.end()
#define dbg(x) cerr << #x << ": " << "[ " << x << " ]\n"

ll f(ll x){
    return (x % 9 == 0 ? 9 : x % 9);
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); 

    ll q; cin >> q;

    while(q--){
        ll l, r; cin >> l >> r;
        ll ans = ((r - l + 1) / 9) * 45;

        for(ll i = 0; i < (r - l + 1) % 9; i++) {
            ll tmp = (l + i) % 9;
            if (tmp == 0) tmp = 9;
            ans += tmp;
        } 

        cout << ans << '\n';
    }   

    return 0;
}

Subtask #1
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct