#include <stdio.h>
#include <algorithm>
#include <bitset>
#include <cassert>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <deque>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
using namespace std;
#define ll long long
#define pb push_back
#define mp make_pair
#define f first
#define s second
#define ld long double
#define bug cout << "bug\n";
const ll maxn = 1e6 + 5, maxm = 2e2 + 1;
const ll mod = 1e9 + 7, inf = 1e9, block = 550, hb = 126067, base = 1000050017,
biginf = 5e18;
const ld eps = 1e-15;
using namespace std;
int n;
ll a, b, p;
ll l[maxn], r[maxn];
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
cin >> n >> a >> b;
a = a / gcd(a, b + 1);
if (a > 1e18 / b){
p = 1e18;
}
else{
p = a * b;
}
vector<pair<ll, ll>> v;
for (int i = 1; i <= n; ++i){
cin >> l[i] >> r[i];
ll x = l[i] % p;
ll y = r[i] % p;
if (x <= y){
if (y - x + 1 >= p){
cout << p;
exit(0);
}
v.pb(mp(x, y));
}
else{
v.pb(mp(x, p - 1));
v.pb(mp(0, y));
}
}
sort(v.begin(), v.end());
ll ans = 0, nxt = -1;
for (auto it : v){
ll lf = it.f, rg = it.s;
if (nxt < lf){
ans += rg - lf + 1;
nxt = rg;
}
else if (nxt <= rg){
ans += rg - nxt;
nxt = rg;
}
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
4 ms |
852 KB |
Output is correct |
3 |
Correct |
5 ms |
852 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
5 ms |
852 KB |
Output is correct |
17 |
Correct |
52 ms |
3588 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
288 ms |
31752 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
387 ms |
31656 KB |
Output is correct |
3 |
Correct |
397 ms |
31740 KB |
Output is correct |
4 |
Correct |
376 ms |
31676 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
387 ms |
31656 KB |
Output is correct |
3 |
Correct |
397 ms |
31740 KB |
Output is correct |
4 |
Correct |
376 ms |
31676 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
374 ms |
31632 KB |
Output is correct |
7 |
Correct |
381 ms |
31860 KB |
Output is correct |
8 |
Correct |
454 ms |
31696 KB |
Output is correct |
9 |
Correct |
412 ms |
31640 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
387 ms |
31656 KB |
Output is correct |
3 |
Correct |
397 ms |
31740 KB |
Output is correct |
4 |
Correct |
376 ms |
31676 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
39 ms |
3600 KB |
Output is correct |
7 |
Correct |
39 ms |
3536 KB |
Output is correct |
8 |
Correct |
37 ms |
3536 KB |
Output is correct |
9 |
Correct |
40 ms |
3536 KB |
Output is correct |
10 |
Correct |
37 ms |
3528 KB |
Output is correct |
11 |
Correct |
41 ms |
3544 KB |
Output is correct |
12 |
Correct |
38 ms |
3576 KB |
Output is correct |
13 |
Correct |
44 ms |
3500 KB |
Output is correct |
14 |
Correct |
37 ms |
3536 KB |
Output is correct |
15 |
Correct |
41 ms |
3496 KB |
Output is correct |
16 |
Correct |
39 ms |
3560 KB |
Output is correct |
17 |
Correct |
40 ms |
3644 KB |
Output is correct |
18 |
Correct |
428 ms |
31764 KB |
Output is correct |
19 |
Correct |
370 ms |
31636 KB |
Output is correct |
20 |
Correct |
426 ms |
31744 KB |
Output is correct |
21 |
Correct |
39 ms |
3536 KB |
Output is correct |
22 |
Correct |
34 ms |
3560 KB |
Output is correct |
23 |
Correct |
119 ms |
12664 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
40 ms |
3548 KB |
Output is correct |
3 |
Correct |
44 ms |
3560 KB |
Output is correct |
4 |
Correct |
440 ms |
31652 KB |
Output is correct |
5 |
Correct |
42 ms |
3520 KB |
Output is correct |
6 |
Correct |
42 ms |
3536 KB |
Output is correct |
7 |
Correct |
41 ms |
3516 KB |
Output is correct |
8 |
Correct |
45 ms |
3600 KB |
Output is correct |
9 |
Correct |
42 ms |
3576 KB |
Output is correct |
10 |
Correct |
40 ms |
3576 KB |
Output is correct |
11 |
Correct |
41 ms |
3536 KB |
Output is correct |
12 |
Correct |
37 ms |
3524 KB |
Output is correct |
13 |
Correct |
43 ms |
3488 KB |
Output is correct |
14 |
Correct |
438 ms |
31848 KB |
Output is correct |
15 |
Correct |
39 ms |
3552 KB |
Output is correct |
16 |
Correct |
380 ms |
31664 KB |
Output is correct |
17 |
Correct |
384 ms |
31756 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
4 ms |
852 KB |
Output is correct |
3 |
Correct |
5 ms |
852 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
5 ms |
852 KB |
Output is correct |
17 |
Correct |
52 ms |
3588 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |