#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define pll pair<ll,ll>
const ll MOD=1e9+7;
#define ll int
//#define ll int
//KALAU TAKUT RTE
bool cmp (pair<ll,ll> x, pair<ll,ll>y){
return x.second < y.second;
}
int calc(ll x, ll y){
if (y==0) return 0;
ll ans=(y/9)*45 + ((1+(y%9==0?9:y%9))*(y%9) /2);
return ans;
}
signed main(){
ios_base::sync_with_stdio(0); cin.tie(0);
ll n; cin>>n;
while(n--){
ll a,b; cin>>a>>b;
cout<<calc(1,b) - calc(1,a-1)<<endl;
}
}
Compilation message
trol.cpp:10: warning: "ll" redefined
10 | #define ll int
|
trol.cpp:4: note: this is the location of the previous definition
4 | #define ll long long
|
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |