#include <bits/stdc++.h>
#define stop system("pause")
#define INP freopen("inpute.in","r",stdin)
#define OUTP freopen("promote.out","w",stdout)
#define double long double
#define int long long
using namespace std;
bool check(int x){
return x != -1;
}
main()
{
ios_base::sync_with_stdio(0);
int n,a,b; cin >> n >> a >> b;
double kek = a*b/__gcd(a,b+1);
int lcm;
if(kek >= 1e18+228)lcm = 1e18+228;
else lcm = a*b/__gcd(a,b+1);
vector<pair<int,int> > v;
int res = 0;
for(int i(0); i < n;i++){
int l,r; cin >> l >> r;
l%=lcm;
r%=lcm;
if(l <= r)v.push_back({l,r});
else{
if(check(lcm-1))v.push_back({l,lcm-1});
v.push_back({0,r});
}
}
sort(v.begin(),v.end());
int ans = 0;
int lastx,lasty; lastx = lasty = -1;
for(int i(0); i < v.size();i++){
int nx,ny;
nx = max(lasty+1,v[i].first);
ny = max(lasty,v[i].second);
if(nx >= lcm || nx > ny)continue;
ans+=ny-nx+1;
lastx = nx;
lasty = ny;
}
cout << ans;
return 0;
}
/*
3 1000000000000000000 1
2 15
55 123
324 2512
*/
Compilation message
strange_device.cpp:15:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main()
^
strange_device.cpp: In function 'int main()':
strange_device.cpp:38:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i(0); i < v.size();i++){
~~^~~~~~~~~~
strange_device.cpp:24:9: warning: unused variable 'res' [-Wunused-variable]
int res = 0;
^~~
strange_device.cpp:37:9: warning: variable 'lastx' set but not used [-Wunused-but-set-variable]
int lastx,lasty; lastx = lasty = -1;
^~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
8 ms |
888 KB |
Output is correct |
3 |
Correct |
8 ms |
992 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
296 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
8 ms |
888 KB |
Output is correct |
17 |
Correct |
64 ms |
2700 KB |
Output is correct |
18 |
Incorrect |
1 ms |
376 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
376 KB |
Output is correct |
3 |
Correct |
3 ms |
376 KB |
Output is correct |
4 |
Correct |
3 ms |
376 KB |
Output is correct |
5 |
Correct |
464 ms |
19432 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
621 ms |
17780 KB |
Output is correct |
3 |
Correct |
617 ms |
17944 KB |
Output is correct |
4 |
Correct |
627 ms |
18008 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
621 ms |
17780 KB |
Output is correct |
3 |
Correct |
617 ms |
17944 KB |
Output is correct |
4 |
Correct |
627 ms |
18008 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
618 ms |
17996 KB |
Output is correct |
7 |
Correct |
615 ms |
17968 KB |
Output is correct |
8 |
Correct |
612 ms |
18088 KB |
Output is correct |
9 |
Correct |
675 ms |
18000 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
621 ms |
17780 KB |
Output is correct |
3 |
Correct |
617 ms |
17944 KB |
Output is correct |
4 |
Correct |
627 ms |
18008 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
62 ms |
5252 KB |
Output is correct |
7 |
Correct |
66 ms |
5232 KB |
Output is correct |
8 |
Correct |
62 ms |
5252 KB |
Output is correct |
9 |
Correct |
65 ms |
5244 KB |
Output is correct |
10 |
Correct |
63 ms |
5232 KB |
Output is correct |
11 |
Correct |
65 ms |
5160 KB |
Output is correct |
12 |
Correct |
65 ms |
5212 KB |
Output is correct |
13 |
Correct |
68 ms |
5232 KB |
Output is correct |
14 |
Correct |
64 ms |
5228 KB |
Output is correct |
15 |
Correct |
69 ms |
5608 KB |
Output is correct |
16 |
Correct |
68 ms |
5736 KB |
Output is correct |
17 |
Correct |
67 ms |
5608 KB |
Output is correct |
18 |
Correct |
618 ms |
18040 KB |
Output is correct |
19 |
Correct |
608 ms |
18124 KB |
Output is correct |
20 |
Correct |
674 ms |
18056 KB |
Output is correct |
21 |
Correct |
67 ms |
5352 KB |
Output is correct |
22 |
Correct |
61 ms |
5236 KB |
Output is correct |
23 |
Correct |
198 ms |
14388 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
66 ms |
3304 KB |
Output is correct |
3 |
Correct |
68 ms |
5480 KB |
Output is correct |
4 |
Correct |
693 ms |
17912 KB |
Output is correct |
5 |
Correct |
69 ms |
5092 KB |
Output is correct |
6 |
Correct |
70 ms |
5096 KB |
Output is correct |
7 |
Correct |
68 ms |
4972 KB |
Output is correct |
8 |
Correct |
70 ms |
4944 KB |
Output is correct |
9 |
Correct |
69 ms |
4976 KB |
Output is correct |
10 |
Correct |
69 ms |
4944 KB |
Output is correct |
11 |
Correct |
69 ms |
5352 KB |
Output is correct |
12 |
Correct |
63 ms |
5196 KB |
Output is correct |
13 |
Correct |
64 ms |
5220 KB |
Output is correct |
14 |
Correct |
669 ms |
18008 KB |
Output is correct |
15 |
Correct |
66 ms |
5708 KB |
Output is correct |
16 |
Correct |
610 ms |
18008 KB |
Output is correct |
17 |
Correct |
606 ms |
18004 KB |
Output is correct |
18 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
8 ms |
888 KB |
Output is correct |
3 |
Correct |
8 ms |
992 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
296 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
8 ms |
888 KB |
Output is correct |
17 |
Correct |
64 ms |
2700 KB |
Output is correct |
18 |
Incorrect |
1 ms |
376 KB |
Output isn't correct |