#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <string>
#include <cstring>
#include <chrono>
#include <random>
#include <queue>
#include <bitset>
#define pb push_back
#define int long long
#define str string
using namespace std;
const int M = 1e9 + 7;
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int n, a, b;
cin >> n >> a >> b;
vector<pair<int, int>> pr(n);
for (int i = 0; i < n; i++) cin >> pr[i].first >> pr[i].second;
int g = gcd(a, b + 1);
a /= g;
int num = a * b;
vector<pair<int, int>> ev;
for (auto p : pr) {
int l = p.first, r = p.second;
if (r - l >= num - 1) {
cout << num;
return 0;
}
l %= num;
r %= num;
if (r < l) {
ev.pb({l, 1});
ev.pb({num, -1});
ev.pb({0, 1});
ev.pb({r + 1, -1});
} else {
ev.pb({l, 1});
ev.pb({r + 1, -1});
}
}
sort(ev.begin(), ev.end());
int bal = 0;
int last = 0;
int ans = 0;
for (auto p : ev) {
int x = p.first;
int type = p.second;
if (bal) {
ans += (x - last);
}
last = x;
bal += type;
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
11 ms |
1408 KB |
Output is correct |
3 |
Correct |
11 ms |
1408 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
4 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
4 ms |
384 KB |
Output is correct |
16 |
Correct |
11 ms |
1408 KB |
Output is correct |
17 |
Correct |
81 ms |
7020 KB |
Output is correct |
18 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Incorrect |
4 ms |
384 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
512 KB |
Output is correct |
4 |
Correct |
5 ms |
512 KB |
Output is correct |
5 |
Correct |
442 ms |
49604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
657 ms |
49696 KB |
Output is correct |
3 |
Correct |
669 ms |
49620 KB |
Output is correct |
4 |
Correct |
643 ms |
49620 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
657 ms |
49696 KB |
Output is correct |
3 |
Correct |
669 ms |
49620 KB |
Output is correct |
4 |
Correct |
643 ms |
49620 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
662 ms |
49604 KB |
Output is correct |
7 |
Correct |
655 ms |
49760 KB |
Output is correct |
8 |
Correct |
659 ms |
49628 KB |
Output is correct |
9 |
Correct |
807 ms |
49620 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
657 ms |
49696 KB |
Output is correct |
3 |
Correct |
669 ms |
49620 KB |
Output is correct |
4 |
Correct |
643 ms |
49620 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
66 ms |
6764 KB |
Output is correct |
7 |
Correct |
78 ms |
6764 KB |
Output is correct |
8 |
Correct |
71 ms |
6892 KB |
Output is correct |
9 |
Correct |
73 ms |
6892 KB |
Output is correct |
10 |
Correct |
69 ms |
6896 KB |
Output is correct |
11 |
Correct |
69 ms |
6768 KB |
Output is correct |
12 |
Correct |
67 ms |
6764 KB |
Output is correct |
13 |
Correct |
76 ms |
6852 KB |
Output is correct |
14 |
Correct |
74 ms |
6896 KB |
Output is correct |
15 |
Correct |
76 ms |
6892 KB |
Output is correct |
16 |
Correct |
74 ms |
6764 KB |
Output is correct |
17 |
Correct |
75 ms |
6892 KB |
Output is correct |
18 |
Correct |
686 ms |
49620 KB |
Output is correct |
19 |
Correct |
636 ms |
49620 KB |
Output is correct |
20 |
Correct |
782 ms |
49632 KB |
Output is correct |
21 |
Correct |
76 ms |
6764 KB |
Output is correct |
22 |
Correct |
60 ms |
6764 KB |
Output is correct |
23 |
Correct |
190 ms |
22884 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
77 ms |
6764 KB |
Output is correct |
3 |
Correct |
72 ms |
6764 KB |
Output is correct |
4 |
Correct |
805 ms |
49492 KB |
Output is correct |
5 |
Correct |
77 ms |
6764 KB |
Output is correct |
6 |
Correct |
73 ms |
6764 KB |
Output is correct |
7 |
Correct |
73 ms |
6764 KB |
Output is correct |
8 |
Correct |
76 ms |
6764 KB |
Output is correct |
9 |
Correct |
73 ms |
6764 KB |
Output is correct |
10 |
Correct |
75 ms |
6764 KB |
Output is correct |
11 |
Correct |
71 ms |
6764 KB |
Output is correct |
12 |
Correct |
64 ms |
6764 KB |
Output is correct |
13 |
Correct |
76 ms |
6764 KB |
Output is correct |
14 |
Correct |
745 ms |
49620 KB |
Output is correct |
15 |
Correct |
76 ms |
6764 KB |
Output is correct |
16 |
Correct |
607 ms |
49632 KB |
Output is correct |
17 |
Correct |
652 ms |
49784 KB |
Output is correct |
18 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
11 ms |
1408 KB |
Output is correct |
3 |
Correct |
11 ms |
1408 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
4 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
4 ms |
384 KB |
Output is correct |
16 |
Correct |
11 ms |
1408 KB |
Output is correct |
17 |
Correct |
81 ms |
7020 KB |
Output is correct |
18 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |