#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
using namespace std;
typedef long long ll;
#define DEBUG
#ifdef DEBUG
#define debug(x) cout << #x << ": " << x << endl
#else
#define debug(x)
#endif
ll inf = 2e18;
ll n,a,b,p;
map<ll,ll> mp;
ll bef,curr,ans;
int main(){
ios::sync_with_stdio(false);
cin.tie(NULL);
cin >> n >> a >> b;
ll gc = __gcd(a,b+1LL);
if(a/gc>inf/b){
p = 1e18;
}
else{
p = a/gc*b;
}
for(ll i=1;i<=n;i++){
ll c,d;
cin >> c >> d;
if(d-c+1LL>=p){
cout << p << "\n";
return 0;
}
else{
c %= p;
d %= p;
if(c<=d){
mp[c]++;
mp[d+1LL]--;
}
else{
mp[0]++;
mp[d+1LL]--;
mp[c]++;
mp[p]--;
}
}
}
for(auto it=mp.begin();it!=mp.end();it++){
if(curr){
ans += it->first-bef;
}
bef = it->first;
curr += it->second;
}
cout << ans << "\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
7 ms |
1228 KB |
Output is correct |
3 |
Correct |
7 ms |
1224 KB |
Output is correct |
4 |
Correct |
1 ms |
272 KB |
Output is correct |
5 |
Correct |
0 ms |
320 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
316 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
6 ms |
1236 KB |
Output is correct |
17 |
Correct |
63 ms |
10236 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 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 |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
274 ms |
25372 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
684 ms |
78408 KB |
Output is correct |
3 |
Correct |
726 ms |
82068 KB |
Output is correct |
4 |
Correct |
777 ms |
78412 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
684 ms |
78408 KB |
Output is correct |
3 |
Correct |
726 ms |
82068 KB |
Output is correct |
4 |
Correct |
777 ms |
78412 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
731 ms |
77128 KB |
Output is correct |
7 |
Correct |
862 ms |
77460 KB |
Output is correct |
8 |
Correct |
814 ms |
76656 KB |
Output is correct |
9 |
Correct |
901 ms |
77828 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
684 ms |
78408 KB |
Output is correct |
3 |
Correct |
726 ms |
82068 KB |
Output is correct |
4 |
Correct |
777 ms |
78412 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
59 ms |
10184 KB |
Output is correct |
7 |
Correct |
60 ms |
10272 KB |
Output is correct |
8 |
Correct |
66 ms |
10180 KB |
Output is correct |
9 |
Correct |
69 ms |
10316 KB |
Output is correct |
10 |
Correct |
64 ms |
10296 KB |
Output is correct |
11 |
Correct |
56 ms |
10328 KB |
Output is correct |
12 |
Correct |
58 ms |
10224 KB |
Output is correct |
13 |
Correct |
67 ms |
10244 KB |
Output is correct |
14 |
Correct |
56 ms |
10284 KB |
Output is correct |
15 |
Correct |
70 ms |
10188 KB |
Output is correct |
16 |
Correct |
67 ms |
10312 KB |
Output is correct |
17 |
Correct |
67 ms |
10256 KB |
Output is correct |
18 |
Correct |
650 ms |
76732 KB |
Output is correct |
19 |
Correct |
690 ms |
82196 KB |
Output is correct |
20 |
Correct |
751 ms |
79756 KB |
Output is correct |
21 |
Correct |
63 ms |
10188 KB |
Output is correct |
22 |
Correct |
62 ms |
10216 KB |
Output is correct |
23 |
Correct |
117 ms |
10788 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
67 ms |
10188 KB |
Output is correct |
3 |
Correct |
68 ms |
10272 KB |
Output is correct |
4 |
Correct |
712 ms |
83520 KB |
Output is correct |
5 |
Correct |
70 ms |
10176 KB |
Output is correct |
6 |
Correct |
66 ms |
10232 KB |
Output is correct |
7 |
Correct |
66 ms |
10172 KB |
Output is correct |
8 |
Correct |
64 ms |
10188 KB |
Output is correct |
9 |
Correct |
64 ms |
10204 KB |
Output is correct |
10 |
Correct |
61 ms |
10180 KB |
Output is correct |
11 |
Correct |
62 ms |
10188 KB |
Output is correct |
12 |
Correct |
58 ms |
10176 KB |
Output is correct |
13 |
Correct |
69 ms |
10184 KB |
Output is correct |
14 |
Correct |
790 ms |
100068 KB |
Output is correct |
15 |
Correct |
57 ms |
10188 KB |
Output is correct |
16 |
Correct |
671 ms |
99976 KB |
Output is correct |
17 |
Correct |
652 ms |
99948 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 |
Correct |
7 ms |
1228 KB |
Output is correct |
3 |
Correct |
7 ms |
1224 KB |
Output is correct |
4 |
Correct |
1 ms |
272 KB |
Output is correct |
5 |
Correct |
0 ms |
320 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
316 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
6 ms |
1236 KB |
Output is correct |
17 |
Correct |
63 ms |
10236 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
274 ms |
25372 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
684 ms |
78408 KB |
Output is correct |
31 |
Correct |
726 ms |
82068 KB |
Output is correct |
32 |
Correct |
777 ms |
78412 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
731 ms |
77128 KB |
Output is correct |
35 |
Correct |
862 ms |
77460 KB |
Output is correct |
36 |
Correct |
814 ms |
76656 KB |
Output is correct |
37 |
Correct |
901 ms |
77828 KB |
Output is correct |
38 |
Correct |
1 ms |
212 KB |
Output is correct |
39 |
Correct |
59 ms |
10184 KB |
Output is correct |
40 |
Correct |
60 ms |
10272 KB |
Output is correct |
41 |
Correct |
66 ms |
10180 KB |
Output is correct |
42 |
Correct |
69 ms |
10316 KB |
Output is correct |
43 |
Correct |
64 ms |
10296 KB |
Output is correct |
44 |
Correct |
56 ms |
10328 KB |
Output is correct |
45 |
Correct |
58 ms |
10224 KB |
Output is correct |
46 |
Correct |
67 ms |
10244 KB |
Output is correct |
47 |
Correct |
56 ms |
10284 KB |
Output is correct |
48 |
Correct |
70 ms |
10188 KB |
Output is correct |
49 |
Correct |
67 ms |
10312 KB |
Output is correct |
50 |
Correct |
67 ms |
10256 KB |
Output is correct |
51 |
Correct |
650 ms |
76732 KB |
Output is correct |
52 |
Correct |
690 ms |
82196 KB |
Output is correct |
53 |
Correct |
751 ms |
79756 KB |
Output is correct |
54 |
Correct |
63 ms |
10188 KB |
Output is correct |
55 |
Correct |
62 ms |
10216 KB |
Output is correct |
56 |
Correct |
117 ms |
10788 KB |
Output is correct |
57 |
Correct |
0 ms |
212 KB |
Output is correct |
58 |
Correct |
67 ms |
10188 KB |
Output is correct |
59 |
Correct |
68 ms |
10272 KB |
Output is correct |
60 |
Correct |
712 ms |
83520 KB |
Output is correct |
61 |
Correct |
70 ms |
10176 KB |
Output is correct |
62 |
Correct |
66 ms |
10232 KB |
Output is correct |
63 |
Correct |
66 ms |
10172 KB |
Output is correct |
64 |
Correct |
64 ms |
10188 KB |
Output is correct |
65 |
Correct |
64 ms |
10204 KB |
Output is correct |
66 |
Correct |
61 ms |
10180 KB |
Output is correct |
67 |
Correct |
62 ms |
10188 KB |
Output is correct |
68 |
Correct |
58 ms |
10176 KB |
Output is correct |
69 |
Correct |
69 ms |
10184 KB |
Output is correct |
70 |
Correct |
790 ms |
100068 KB |
Output is correct |
71 |
Correct |
57 ms |
10188 KB |
Output is correct |
72 |
Correct |
671 ms |
99976 KB |
Output is correct |
73 |
Correct |
652 ms |
99948 KB |
Output is correct |
74 |
Correct |
0 ms |
212 KB |
Output is correct |
75 |
Correct |
1 ms |
212 KB |
Output is correct |
76 |
Correct |
1 ms |
212 KB |
Output is correct |
77 |
Correct |
1 ms |
212 KB |
Output is correct |
78 |
Correct |
1 ms |
212 KB |
Output is correct |
79 |
Correct |
6 ms |
1272 KB |
Output is correct |
80 |
Correct |
720 ms |
100024 KB |
Output is correct |
81 |
Correct |
735 ms |
100000 KB |
Output is correct |
82 |
Correct |
783 ms |
99992 KB |
Output is correct |
83 |
Correct |
771 ms |
100096 KB |
Output is correct |
84 |
Correct |
745 ms |
100232 KB |
Output is correct |
85 |
Correct |
714 ms |
100104 KB |
Output is correct |
86 |
Correct |
115 ms |
12824 KB |
Output is correct |
87 |
Correct |
1 ms |
212 KB |
Output is correct |