#include<bits/stdc++.h>
using namespace std;
#define int long long
int gcd(int x, int y)
{
while(x>0)
{
int r = y%x;
y=x;
x=r;
}
return y;
}
set<pair<__int128,__int128>> s;
void baga(__int128 le, __int128 ri)
{
if(s.empty())
{
s.insert({le,ri});
return;
}
auto it = s.lower_bound({le+1,-1});
if(it!=s.begin()) it--;
while(it!=s.end())
{
if((*it).first > ri)
break;
if((*it).second < le)
{
it++;
}
else if((*it).first <= le && (*it).second >= ri)
{
return;
}
else
{
le = min(le, (*it).first);
ri = max(ri, (*it).second);
it = s.erase(it);
}
}
s.insert({le,ri});
}
signed main()
{
int n,A,B;
cin>>n>>A>>B;
A = A / gcd(A,B+1);
__int128 le,ri;
__int128 copA=A,copB=B;
__int128 prod=copA*copB;
int cle,cri;
for(int i=1;i<=n;i++)
{
cin>>cle>>cri;
le=cle;
ri=cri;
if(le==ri)
{
baga(le%prod,le%prod);
continue;
}
le = le%prod;
ri = ri%prod;
if(le<ri)
{
baga(le,ri);
}
else
{
baga(le,prod-1);
baga(0,ri);
}
}
int cnt=0;
for(auto it:s)
{
cnt += it.second-it.first+1;
}
cout<<cnt;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
23 ms |
1512 KB |
Output is correct |
3 |
Correct |
23 ms |
1372 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
432 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 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 |
12 ms |
1372 KB |
Output is correct |
17 |
Correct |
114 ms |
11196 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
436 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
2 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
448 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
663 ms |
25364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1185 ms |
106700 KB |
Output is correct |
3 |
Correct |
1191 ms |
115792 KB |
Output is correct |
4 |
Correct |
1313 ms |
115796 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1185 ms |
106700 KB |
Output is correct |
3 |
Correct |
1191 ms |
115792 KB |
Output is correct |
4 |
Correct |
1313 ms |
115796 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1202 ms |
115784 KB |
Output is correct |
7 |
Correct |
1253 ms |
115572 KB |
Output is correct |
8 |
Correct |
1234 ms |
115760 KB |
Output is correct |
9 |
Correct |
1247 ms |
115712 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1185 ms |
106700 KB |
Output is correct |
3 |
Correct |
1191 ms |
115792 KB |
Output is correct |
4 |
Correct |
1313 ms |
115796 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
128 ms |
11840 KB |
Output is correct |
7 |
Correct |
108 ms |
11812 KB |
Output is correct |
8 |
Correct |
108 ms |
11860 KB |
Output is correct |
9 |
Correct |
112 ms |
11708 KB |
Output is correct |
10 |
Correct |
112 ms |
11860 KB |
Output is correct |
11 |
Correct |
107 ms |
11860 KB |
Output is correct |
12 |
Correct |
114 ms |
11856 KB |
Output is correct |
13 |
Correct |
109 ms |
11856 KB |
Output is correct |
14 |
Correct |
116 ms |
11680 KB |
Output is correct |
15 |
Correct |
130 ms |
11864 KB |
Output is correct |
16 |
Correct |
112 ms |
11756 KB |
Output is correct |
17 |
Correct |
136 ms |
11860 KB |
Output is correct |
18 |
Correct |
1106 ms |
115540 KB |
Output is correct |
19 |
Correct |
1215 ms |
115676 KB |
Output is correct |
20 |
Correct |
1288 ms |
115692 KB |
Output is correct |
21 |
Correct |
105 ms |
11864 KB |
Output is correct |
22 |
Correct |
147 ms |
11808 KB |
Output is correct |
23 |
Correct |
336 ms |
12932 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
133 ms |
11768 KB |
Output is correct |
3 |
Correct |
124 ms |
11900 KB |
Output is correct |
4 |
Correct |
1263 ms |
115792 KB |
Output is correct |
5 |
Correct |
155 ms |
11928 KB |
Output is correct |
6 |
Correct |
128 ms |
11872 KB |
Output is correct |
7 |
Correct |
162 ms |
11860 KB |
Output is correct |
8 |
Correct |
116 ms |
11732 KB |
Output is correct |
9 |
Correct |
144 ms |
11860 KB |
Output is correct |
10 |
Correct |
111 ms |
11860 KB |
Output is correct |
11 |
Correct |
121 ms |
11788 KB |
Output is correct |
12 |
Correct |
108 ms |
11856 KB |
Output is correct |
13 |
Correct |
136 ms |
11856 KB |
Output is correct |
14 |
Correct |
1351 ms |
115588 KB |
Output is correct |
15 |
Correct |
109 ms |
11088 KB |
Output is correct |
16 |
Correct |
1241 ms |
115628 KB |
Output is correct |
17 |
Correct |
1249 ms |
115612 KB |
Output is correct |
18 |
Correct |
0 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
23 ms |
1512 KB |
Output is correct |
3 |
Correct |
23 ms |
1372 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
432 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 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 |
12 ms |
1372 KB |
Output is correct |
17 |
Correct |
114 ms |
11196 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Incorrect |
0 ms |
436 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |