#include <bits/stdc++.h>
using namespace std;
long long n,a,b;
map<pair<long long,long long>,long long> mp;
void help()
{
for(long long t=0;t<=110;t++)
{
long long x=(t+t/b)%a,y=t%b;
if(mp[{x,y}])
{
cout<<t<<" "<<x<<" "<<y<<" "<<mp[{x,y}]<<endl;
}
mp[{x,y}]=t+1;
}
}
pair<long long,long long> p[2000001];
void solve()
{
int cnt=n;
long long h=1e18+1;
if(1e18/a>=b)h=b*(a*(b+1)/__gcd(a,b+1)/(b+1));
if(h<0)h=1e18+1;
//cout<<h<<endl;
for(long long i=1;i<=n;i++)
{
long long l,r;
cin>>l>>r;
p[i]={l%(h),r%(h)};
if(p[i].first>p[i].second)
{
cnt++;
p[cnt].first=0;
p[cnt].second=p[i].second;
p[i].second=h-1;
}
}
long long ans=0;
sort(p+1,p+cnt+1);
long long r=-1;
for(long long i=1;i<=cnt;i++)
{
if(p[i].second>r)
{
if(p[i].first>r)
ans+=p[i].second-p[i].first+1;
else ans+=p[i].second-r;
}
r=max(r,p[i].second);
}
cout<<ans<<endl;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
cin>>n>>a>>b;
//help();
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
3 ms |
604 KB |
Output is correct |
3 |
Correct |
3 ms |
604 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 |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
3 ms |
860 KB |
Output is correct |
17 |
Correct |
31 ms |
2652 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 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
183 ms |
16980 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
272 ms |
17016 KB |
Output is correct |
3 |
Correct |
266 ms |
16976 KB |
Output is correct |
4 |
Correct |
300 ms |
17260 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
272 ms |
17016 KB |
Output is correct |
3 |
Correct |
266 ms |
16976 KB |
Output is correct |
4 |
Correct |
300 ms |
17260 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
271 ms |
17036 KB |
Output is correct |
7 |
Correct |
277 ms |
17520 KB |
Output is correct |
8 |
Correct |
262 ms |
17028 KB |
Output is correct |
9 |
Correct |
297 ms |
17012 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
272 ms |
17016 KB |
Output is correct |
3 |
Correct |
266 ms |
16976 KB |
Output is correct |
4 |
Correct |
300 ms |
17260 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
29 ms |
2652 KB |
Output is correct |
7 |
Correct |
29 ms |
2652 KB |
Output is correct |
8 |
Correct |
29 ms |
2652 KB |
Output is correct |
9 |
Correct |
27 ms |
2652 KB |
Output is correct |
10 |
Correct |
28 ms |
2652 KB |
Output is correct |
11 |
Correct |
28 ms |
2648 KB |
Output is correct |
12 |
Correct |
26 ms |
2652 KB |
Output is correct |
13 |
Correct |
29 ms |
2652 KB |
Output is correct |
14 |
Correct |
28 ms |
2652 KB |
Output is correct |
15 |
Correct |
35 ms |
2904 KB |
Output is correct |
16 |
Correct |
30 ms |
2692 KB |
Output is correct |
17 |
Correct |
29 ms |
2668 KB |
Output is correct |
18 |
Correct |
280 ms |
17004 KB |
Output is correct |
19 |
Correct |
270 ms |
17012 KB |
Output is correct |
20 |
Correct |
304 ms |
17008 KB |
Output is correct |
21 |
Correct |
33 ms |
2916 KB |
Output is correct |
22 |
Correct |
26 ms |
2652 KB |
Output is correct |
23 |
Correct |
83 ms |
6524 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
29 ms |
2652 KB |
Output is correct |
3 |
Correct |
29 ms |
2652 KB |
Output is correct |
4 |
Correct |
329 ms |
17024 KB |
Output is correct |
5 |
Correct |
30 ms |
2652 KB |
Output is correct |
6 |
Correct |
29 ms |
2652 KB |
Output is correct |
7 |
Correct |
31 ms |
2688 KB |
Output is correct |
8 |
Correct |
35 ms |
2652 KB |
Output is correct |
9 |
Correct |
35 ms |
2652 KB |
Output is correct |
10 |
Correct |
30 ms |
2652 KB |
Output is correct |
11 |
Correct |
29 ms |
2652 KB |
Output is correct |
12 |
Correct |
26 ms |
2900 KB |
Output is correct |
13 |
Correct |
30 ms |
2900 KB |
Output is correct |
14 |
Correct |
309 ms |
16980 KB |
Output is correct |
15 |
Correct |
35 ms |
2652 KB |
Output is correct |
16 |
Correct |
268 ms |
17016 KB |
Output is correct |
17 |
Correct |
307 ms |
16980 KB |
Output is correct |
18 |
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 |
3 ms |
604 KB |
Output is correct |
3 |
Correct |
3 ms |
604 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 |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
3 ms |
860 KB |
Output is correct |
17 |
Correct |
31 ms |
2652 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |