#include <bits/stdc++.h>
using namespace std;
long long n,a,b,ans,i,t,k,pozst,lg,schema,ok,st,dr,x;
struct ceva
{
long long l,r;
}v[5000010];
bool cmp(ceva a,ceva b)
{
return a.l<b.l || (a.l==b.l && a.r<b.r);
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin>>n>>a>>b;
b++;
x=__gcd(a,b);
a=a/x;
if(ULLONG_MAX/b<a)
k=1e18;
else
k=a*b;
k=k-a;
for(i=1;i<=n;i++)
{
cin>>v[i].l>>v[i].r;
if(v[i].r-v[i].l+1>=k)
{
cout<<k;
return 0;
}
v[i].l%=k;
v[i].r%=k;
if(v[i].l<=v[i].r)
;
else
{
v[n+(++schema)]={v[i].l,k-1};
v[i]={0,v[i].r};
}
}
n=n+schema;
sort(v+1,v+n+1,cmp);
//for(i=1;i<=n;i++)
// cout<<v[i].l<<" "<<v[i].r<<'\n';
st=-1;
dr=0;
for(i=1;i<=n;i++)
{
if(v[i].r<=st)
continue;
ans=ans+v[i].r-max(v[i].l-1,st);
st=v[i].r;
}
cout<<ans;
return 0;
}
Compilation message
strange_device.cpp: In function 'int main()':
strange_device.cpp:21:20: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'long long int' [-Wsign-compare]
21 | if(ULLONG_MAX/b<a)
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
5 ms |
604 KB |
Output is correct |
3 |
Correct |
4 ms |
860 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
5 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
4 ms |
860 KB |
Output is correct |
17 |
Correct |
40 ms |
6400 KB |
Output is correct |
18 |
Correct |
1 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
476 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
235 ms |
42488 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
337 ms |
17024 KB |
Output is correct |
3 |
Correct |
398 ms |
17036 KB |
Output is correct |
4 |
Correct |
322 ms |
54096 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
337 ms |
17024 KB |
Output is correct |
3 |
Correct |
398 ms |
17036 KB |
Output is correct |
4 |
Correct |
322 ms |
54096 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
348 ms |
54232 KB |
Output is correct |
7 |
Correct |
365 ms |
54236 KB |
Output is correct |
8 |
Correct |
360 ms |
54376 KB |
Output is correct |
9 |
Correct |
418 ms |
54000 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
337 ms |
17024 KB |
Output is correct |
3 |
Correct |
398 ms |
17036 KB |
Output is correct |
4 |
Correct |
322 ms |
54096 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
34 ms |
6388 KB |
Output is correct |
7 |
Correct |
37 ms |
6236 KB |
Output is correct |
8 |
Correct |
33 ms |
6392 KB |
Output is correct |
9 |
Correct |
33 ms |
6228 KB |
Output is correct |
10 |
Correct |
31 ms |
6228 KB |
Output is correct |
11 |
Correct |
40 ms |
6236 KB |
Output is correct |
12 |
Correct |
32 ms |
6236 KB |
Output is correct |
13 |
Correct |
38 ms |
6388 KB |
Output is correct |
14 |
Correct |
33 ms |
6244 KB |
Output is correct |
15 |
Correct |
41 ms |
6228 KB |
Output is correct |
16 |
Correct |
40 ms |
6504 KB |
Output is correct |
17 |
Correct |
37 ms |
6272 KB |
Output is correct |
18 |
Correct |
362 ms |
53884 KB |
Output is correct |
19 |
Correct |
371 ms |
54664 KB |
Output is correct |
20 |
Correct |
405 ms |
54236 KB |
Output is correct |
21 |
Correct |
38 ms |
6228 KB |
Output is correct |
22 |
Correct |
31 ms |
6484 KB |
Output is correct |
23 |
Correct |
92 ms |
19280 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
38 ms |
4720 KB |
Output is correct |
3 |
Correct |
40 ms |
4720 KB |
Output is correct |
4 |
Correct |
413 ms |
35664 KB |
Output is correct |
5 |
Correct |
50 ms |
4600 KB |
Output is correct |
6 |
Correct |
38 ms |
4692 KB |
Output is correct |
7 |
Correct |
38 ms |
4572 KB |
Output is correct |
8 |
Correct |
45 ms |
4712 KB |
Output is correct |
9 |
Correct |
37 ms |
4688 KB |
Output is correct |
10 |
Correct |
45 ms |
4692 KB |
Output is correct |
11 |
Correct |
38 ms |
4644 KB |
Output is correct |
12 |
Correct |
33 ms |
4840 KB |
Output is correct |
13 |
Correct |
39 ms |
5080 KB |
Output is correct |
14 |
Correct |
399 ms |
35728 KB |
Output is correct |
15 |
Correct |
38 ms |
6228 KB |
Output is correct |
16 |
Correct |
340 ms |
54212 KB |
Output is correct |
17 |
Correct |
363 ms |
54356 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
5 ms |
604 KB |
Output is correct |
3 |
Correct |
4 ms |
860 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
5 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
4 ms |
860 KB |
Output is correct |
17 |
Correct |
40 ms |
6400 KB |
Output is correct |
18 |
Correct |
1 ms |
604 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
1 ms |
476 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
235 ms |
42488 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
337 ms |
17024 KB |
Output is correct |
31 |
Correct |
398 ms |
17036 KB |
Output is correct |
32 |
Correct |
322 ms |
54096 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
348 ms |
54232 KB |
Output is correct |
35 |
Correct |
365 ms |
54236 KB |
Output is correct |
36 |
Correct |
360 ms |
54376 KB |
Output is correct |
37 |
Correct |
418 ms |
54000 KB |
Output is correct |
38 |
Correct |
0 ms |
348 KB |
Output is correct |
39 |
Correct |
34 ms |
6388 KB |
Output is correct |
40 |
Correct |
37 ms |
6236 KB |
Output is correct |
41 |
Correct |
33 ms |
6392 KB |
Output is correct |
42 |
Correct |
33 ms |
6228 KB |
Output is correct |
43 |
Correct |
31 ms |
6228 KB |
Output is correct |
44 |
Correct |
40 ms |
6236 KB |
Output is correct |
45 |
Correct |
32 ms |
6236 KB |
Output is correct |
46 |
Correct |
38 ms |
6388 KB |
Output is correct |
47 |
Correct |
33 ms |
6244 KB |
Output is correct |
48 |
Correct |
41 ms |
6228 KB |
Output is correct |
49 |
Correct |
40 ms |
6504 KB |
Output is correct |
50 |
Correct |
37 ms |
6272 KB |
Output is correct |
51 |
Correct |
362 ms |
53884 KB |
Output is correct |
52 |
Correct |
371 ms |
54664 KB |
Output is correct |
53 |
Correct |
405 ms |
54236 KB |
Output is correct |
54 |
Correct |
38 ms |
6228 KB |
Output is correct |
55 |
Correct |
31 ms |
6484 KB |
Output is correct |
56 |
Correct |
92 ms |
19280 KB |
Output is correct |
57 |
Correct |
0 ms |
344 KB |
Output is correct |
58 |
Correct |
38 ms |
4720 KB |
Output is correct |
59 |
Correct |
40 ms |
4720 KB |
Output is correct |
60 |
Correct |
413 ms |
35664 KB |
Output is correct |
61 |
Correct |
50 ms |
4600 KB |
Output is correct |
62 |
Correct |
38 ms |
4692 KB |
Output is correct |
63 |
Correct |
38 ms |
4572 KB |
Output is correct |
64 |
Correct |
45 ms |
4712 KB |
Output is correct |
65 |
Correct |
37 ms |
4688 KB |
Output is correct |
66 |
Correct |
45 ms |
4692 KB |
Output is correct |
67 |
Correct |
38 ms |
4644 KB |
Output is correct |
68 |
Correct |
33 ms |
4840 KB |
Output is correct |
69 |
Correct |
39 ms |
5080 KB |
Output is correct |
70 |
Correct |
399 ms |
35728 KB |
Output is correct |
71 |
Correct |
38 ms |
6228 KB |
Output is correct |
72 |
Correct |
340 ms |
54212 KB |
Output is correct |
73 |
Correct |
363 ms |
54356 KB |
Output is correct |
74 |
Correct |
0 ms |
348 KB |
Output is correct |
75 |
Correct |
0 ms |
344 KB |
Output is correct |
76 |
Correct |
0 ms |
348 KB |
Output is correct |
77 |
Correct |
0 ms |
348 KB |
Output is correct |
78 |
Correct |
0 ms |
344 KB |
Output is correct |
79 |
Correct |
3 ms |
860 KB |
Output is correct |
80 |
Correct |
425 ms |
54460 KB |
Output is correct |
81 |
Correct |
417 ms |
54236 KB |
Output is correct |
82 |
Correct |
399 ms |
54240 KB |
Output is correct |
83 |
Correct |
397 ms |
54196 KB |
Output is correct |
84 |
Correct |
430 ms |
54248 KB |
Output is correct |
85 |
Correct |
397 ms |
54148 KB |
Output is correct |
86 |
Correct |
93 ms |
19288 KB |
Output is correct |
87 |
Correct |
1 ms |
600 KB |
Output is correct |