// Only GOD
// believe in yourself
// Nemidam Del Be In Darde Donya!
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
#define F first
#define S second
#define pb push_back
#define all(x) x.begin(), x.end()
#define bit(x, y) ((x >> y)&1)
#define sz(x) (int)x.size()
#define kill(x) return cout << x << '\n', void()
#define KILL(x) return cout << x << '\n', 0
#define int ll
const int N = 2e5+10;
const int INF = 1e18+10;
map<int, int> M;
int32_t main(){
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int A, B, n;
cin >> n >> A >> B;
int g = __gcd(A, B+1);
int AB;
A /= g;
if(INF / A < B){
AB = INF;
}
else
AB = A*B;
int ans = 0;
for(int i = 0; i < n; i++){
int l, r;
cin >> l >> r;
if(r-l+1 >= AB)
ans = AB;
l %= AB, r %= AB;
if(!r){
M[l]++;
M[0]++;
M[1]--;
continue;
}
if(l <= r){
M[l]++;
M[r+1]--;
}
else{
M[0]++;
M[l]++;
M[r+1]--;
}
}
if(ans)
KILL(ans);
if(!M.count(AB))
M[AB] = 0;
int sum = 0, lst = -1;
ans = 0;
for(auto x : M){
if(lst == -1){
sum += x.S;
lst = x.F;
continue;
}
if(sum > 0){
ans += x.F-lst;
}
sum += x.S;
lst = x.F;
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
324 KB |
Output is correct |
2 |
Correct |
6 ms |
1268 KB |
Output is correct |
3 |
Correct |
9 ms |
1236 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
11 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 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 |
320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
340 KB |
Output is correct |
5 |
Correct |
243 ms |
1788 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Incorrect |
711 ms |
66444 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Incorrect |
711 ms |
66444 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Incorrect |
711 ms |
66444 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
66 ms |
9400 KB |
Output is correct |
3 |
Correct |
70 ms |
9932 KB |
Output is correct |
4 |
Correct |
678 ms |
64568 KB |
Output is correct |
5 |
Correct |
67 ms |
9892 KB |
Output is correct |
6 |
Correct |
67 ms |
9928 KB |
Output is correct |
7 |
Correct |
67 ms |
9912 KB |
Output is correct |
8 |
Correct |
65 ms |
9984 KB |
Output is correct |
9 |
Correct |
64 ms |
9892 KB |
Output is correct |
10 |
Correct |
71 ms |
9932 KB |
Output is correct |
11 |
Correct |
61 ms |
9964 KB |
Output is correct |
12 |
Correct |
61 ms |
9912 KB |
Output is correct |
13 |
Correct |
69 ms |
9976 KB |
Output is correct |
14 |
Correct |
805 ms |
64588 KB |
Output is correct |
15 |
Correct |
59 ms |
9932 KB |
Output is correct |
16 |
Correct |
636 ms |
64520 KB |
Output is correct |
17 |
Correct |
627 ms |
64528 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
324 KB |
Output is correct |
2 |
Correct |
6 ms |
1268 KB |
Output is correct |
3 |
Correct |
9 ms |
1236 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
11 |
Halted |
0 ms |
0 KB |
- |