#include <bits/stdc++.h>
using namespace std;
long long i,j,a,b,tt;
long long x,r,m,n,s,t,k,l,y,z;
set <pair<long long,long long>> p,c,d,e;
int main(){
cin >> n>>a>>b;
m = a/__gcd(a,b+1);
if (m >1000000000000000000/b)
m = 1000000000000000001;
else m*=b;
a=m;
for (i = 0; i<n; i ++){
cin >>x>>y;
if (y-x+1>=a){
cout << a;
return 0;
}
x%=a;
y%=a;
if (x <=y){
p.insert({x,y});
}
else {
p.insert({0,y});
p.insert({x,a-1});
}
}
t = -1;
while (p.size()){
auto u=*p.begin();
p.erase(*p.begin());
x=u.first;
y=u.second;
t=max(t,x-1);
s+=max(y-t,0ll);
t=max(y,t);
}
cout <<s;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
24 ms |
896 KB |
Output is correct |
3 |
Correct |
25 ms |
1016 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
1 ms |
256 KB |
Output is correct |
8 |
Correct |
1 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
0 ms |
256 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
1 ms |
256 KB |
Output is correct |
16 |
Correct |
23 ms |
896 KB |
Output is correct |
17 |
Correct |
235 ms |
6520 KB |
Output is correct |
18 |
Correct |
0 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
384 KB |
Output is correct |
5 |
Correct |
1492 ms |
360 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
2377 ms |
62916 KB |
Output is correct |
3 |
Correct |
2383 ms |
62968 KB |
Output is correct |
4 |
Correct |
2425 ms |
62968 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
2377 ms |
62916 KB |
Output is correct |
3 |
Correct |
2383 ms |
62968 KB |
Output is correct |
4 |
Correct |
2425 ms |
62968 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
2405 ms |
62960 KB |
Output is correct |
7 |
Correct |
2422 ms |
62872 KB |
Output is correct |
8 |
Correct |
2383 ms |
62968 KB |
Output is correct |
9 |
Correct |
2472 ms |
62920 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
2377 ms |
62916 KB |
Output is correct |
3 |
Correct |
2383 ms |
62968 KB |
Output is correct |
4 |
Correct |
2425 ms |
62968 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
232 ms |
6520 KB |
Output is correct |
7 |
Correct |
234 ms |
6648 KB |
Output is correct |
8 |
Correct |
237 ms |
6524 KB |
Output is correct |
9 |
Correct |
246 ms |
6532 KB |
Output is correct |
10 |
Correct |
247 ms |
6520 KB |
Output is correct |
11 |
Correct |
236 ms |
6648 KB |
Output is correct |
12 |
Correct |
230 ms |
6520 KB |
Output is correct |
13 |
Correct |
241 ms |
6520 KB |
Output is correct |
14 |
Correct |
232 ms |
6648 KB |
Output is correct |
15 |
Correct |
242 ms |
6520 KB |
Output is correct |
16 |
Correct |
251 ms |
6520 KB |
Output is correct |
17 |
Correct |
244 ms |
6596 KB |
Output is correct |
18 |
Correct |
2380 ms |
63048 KB |
Output is correct |
19 |
Correct |
2429 ms |
63212 KB |
Output is correct |
20 |
Correct |
2515 ms |
63224 KB |
Output is correct |
21 |
Correct |
252 ms |
6648 KB |
Output is correct |
22 |
Correct |
241 ms |
6520 KB |
Output is correct |
23 |
Correct |
702 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
253 ms |
6512 KB |
Output is correct |
3 |
Correct |
238 ms |
6520 KB |
Output is correct |
4 |
Correct |
2465 ms |
62872 KB |
Output is correct |
5 |
Correct |
243 ms |
6520 KB |
Output is correct |
6 |
Correct |
240 ms |
6520 KB |
Output is correct |
7 |
Correct |
251 ms |
6776 KB |
Output is correct |
8 |
Correct |
240 ms |
6504 KB |
Output is correct |
9 |
Correct |
238 ms |
6520 KB |
Output is correct |
10 |
Correct |
249 ms |
6652 KB |
Output is correct |
11 |
Correct |
250 ms |
6520 KB |
Output is correct |
12 |
Correct |
241 ms |
6620 KB |
Output is correct |
13 |
Correct |
252 ms |
6652 KB |
Output is correct |
14 |
Correct |
2573 ms |
63024 KB |
Output is correct |
15 |
Correct |
236 ms |
6508 KB |
Output is correct |
16 |
Correct |
2368 ms |
62968 KB |
Output is correct |
17 |
Correct |
2438 ms |
63168 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
24 ms |
896 KB |
Output is correct |
3 |
Correct |
25 ms |
1016 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
1 ms |
256 KB |
Output is correct |
8 |
Correct |
1 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
0 ms |
256 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
1 ms |
256 KB |
Output is correct |
16 |
Correct |
23 ms |
896 KB |
Output is correct |
17 |
Correct |
235 ms |
6520 KB |
Output is correct |
18 |
Correct |
0 ms |
256 KB |
Output is correct |
19 |
Correct |
0 ms |
256 KB |
Output is correct |
20 |
Correct |
1 ms |
256 KB |
Output is correct |
21 |
Correct |
2 ms |
256 KB |
Output is correct |
22 |
Correct |
0 ms |
256 KB |
Output is correct |
23 |
Correct |
0 ms |
256 KB |
Output is correct |
24 |
Correct |
0 ms |
256 KB |
Output is correct |
25 |
Correct |
3 ms |
384 KB |
Output is correct |
26 |
Correct |
3 ms |
384 KB |
Output is correct |
27 |
Correct |
3 ms |
384 KB |
Output is correct |
28 |
Correct |
1492 ms |
360 KB |
Output is correct |
29 |
Correct |
0 ms |
256 KB |
Output is correct |
30 |
Correct |
2377 ms |
62916 KB |
Output is correct |
31 |
Correct |
2383 ms |
62968 KB |
Output is correct |
32 |
Correct |
2425 ms |
62968 KB |
Output is correct |
33 |
Correct |
0 ms |
256 KB |
Output is correct |
34 |
Correct |
2405 ms |
62960 KB |
Output is correct |
35 |
Correct |
2422 ms |
62872 KB |
Output is correct |
36 |
Correct |
2383 ms |
62968 KB |
Output is correct |
37 |
Correct |
2472 ms |
62920 KB |
Output is correct |
38 |
Correct |
0 ms |
256 KB |
Output is correct |
39 |
Correct |
232 ms |
6520 KB |
Output is correct |
40 |
Correct |
234 ms |
6648 KB |
Output is correct |
41 |
Correct |
237 ms |
6524 KB |
Output is correct |
42 |
Correct |
246 ms |
6532 KB |
Output is correct |
43 |
Correct |
247 ms |
6520 KB |
Output is correct |
44 |
Correct |
236 ms |
6648 KB |
Output is correct |
45 |
Correct |
230 ms |
6520 KB |
Output is correct |
46 |
Correct |
241 ms |
6520 KB |
Output is correct |
47 |
Correct |
232 ms |
6648 KB |
Output is correct |
48 |
Correct |
242 ms |
6520 KB |
Output is correct |
49 |
Correct |
251 ms |
6520 KB |
Output is correct |
50 |
Correct |
244 ms |
6596 KB |
Output is correct |
51 |
Correct |
2380 ms |
63048 KB |
Output is correct |
52 |
Correct |
2429 ms |
63212 KB |
Output is correct |
53 |
Correct |
2515 ms |
63224 KB |
Output is correct |
54 |
Correct |
252 ms |
6648 KB |
Output is correct |
55 |
Correct |
241 ms |
6520 KB |
Output is correct |
56 |
Correct |
702 ms |
376 KB |
Output is correct |
57 |
Correct |
0 ms |
256 KB |
Output is correct |
58 |
Correct |
253 ms |
6512 KB |
Output is correct |
59 |
Correct |
238 ms |
6520 KB |
Output is correct |
60 |
Correct |
2465 ms |
62872 KB |
Output is correct |
61 |
Correct |
243 ms |
6520 KB |
Output is correct |
62 |
Correct |
240 ms |
6520 KB |
Output is correct |
63 |
Correct |
251 ms |
6776 KB |
Output is correct |
64 |
Correct |
240 ms |
6504 KB |
Output is correct |
65 |
Correct |
238 ms |
6520 KB |
Output is correct |
66 |
Correct |
249 ms |
6652 KB |
Output is correct |
67 |
Correct |
250 ms |
6520 KB |
Output is correct |
68 |
Correct |
241 ms |
6620 KB |
Output is correct |
69 |
Correct |
252 ms |
6652 KB |
Output is correct |
70 |
Correct |
2573 ms |
63024 KB |
Output is correct |
71 |
Correct |
236 ms |
6508 KB |
Output is correct |
72 |
Correct |
2368 ms |
62968 KB |
Output is correct |
73 |
Correct |
2438 ms |
63168 KB |
Output is correct |
74 |
Correct |
1 ms |
256 KB |
Output is correct |
75 |
Correct |
1 ms |
384 KB |
Output is correct |
76 |
Correct |
0 ms |
256 KB |
Output is correct |
77 |
Correct |
1 ms |
256 KB |
Output is correct |
78 |
Correct |
1 ms |
256 KB |
Output is correct |
79 |
Correct |
24 ms |
896 KB |
Output is correct |
80 |
Correct |
2465 ms |
62968 KB |
Output is correct |
81 |
Correct |
2480 ms |
63120 KB |
Output is correct |
82 |
Correct |
2551 ms |
63168 KB |
Output is correct |
83 |
Correct |
2467 ms |
62980 KB |
Output is correct |
84 |
Correct |
2676 ms |
62896 KB |
Output is correct |
85 |
Correct |
2453 ms |
63044 KB |
Output is correct |
86 |
Correct |
688 ms |
360 KB |
Output is correct |
87 |
Correct |
0 ms |
256 KB |
Output is correct |