#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define pb push_back
#define fi first
#define se second
//*AC BERSAMA ALLAH FORTIS FORTUNA ADIUVAT
//# nyampah
ll sz;
vector<pair<ll,bool> > lr;
vector<pair<ll,ll> > lr1;
ll n, a, b;
ll gcd(ll x, ll y){
if(y==0) return x;
else return gcd(y,x%y);
}
ll szz(ll x, ll y){
if((y+1)%a==0) return y+1;
else{
return (x*y);
}
}
int main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin>>n>>a>>b;
// sz = abs(szz(a,b));
sz = (__int128_t) a * b / gcd(a,b+1);
// cout<<sz<<'\n';
for(int i=0;i<n;i++){
ll l,r; cin>>l>>r;
l%=sz; r%=sz;
if(l>r){
lr.pb(make_pair(0,0)); lr.pb(make_pair(r,1));
lr.pb(make_pair(l,0)); lr.pb(make_pair(sz-1,1));
}
else {
lr.pb(make_pair(l,0)); lr.pb(make_pair(r,1));
}
}
sort(lr.begin(),lr.end());
ll cnt=0, l, r;
for(auto i : lr){
if(i.se == 0){
if(cnt==0) l=i.fi;
cnt++;
}
else cnt--;
if(cnt==0){
r = i.fi;
lr1.pb(make_pair(l,r));
}
}
ll ans=0;
for(auto i : lr1){
ans+=(i.second-i.first+1);
}
cout<<ans<<'\n';
return 0;
}
Compilation message
strange_device.cpp: In function 'int main()':
strange_device.cpp:58:33: warning: 'l' may be used uninitialized in this function [-Wmaybe-uninitialized]
58 | lr1.pb(make_pair(l,r));
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
6 ms |
980 KB |
Output is correct |
3 |
Correct |
5 ms |
980 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
4 ms |
1040 KB |
Output is correct |
17 |
Correct |
51 ms |
9772 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
320 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 |
275 ms |
33232 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
536 ms |
63636 KB |
Output is correct |
3 |
Correct |
452 ms |
63604 KB |
Output is correct |
4 |
Correct |
409 ms |
100824 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
536 ms |
63636 KB |
Output is correct |
3 |
Correct |
452 ms |
63604 KB |
Output is correct |
4 |
Correct |
409 ms |
100824 KB |
Output is correct |
5 |
Correct |
1 ms |
320 KB |
Output is correct |
6 |
Correct |
444 ms |
100744 KB |
Output is correct |
7 |
Correct |
484 ms |
100760 KB |
Output is correct |
8 |
Correct |
495 ms |
100752 KB |
Output is correct |
9 |
Correct |
534 ms |
100756 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
536 ms |
63636 KB |
Output is correct |
3 |
Correct |
452 ms |
63604 KB |
Output is correct |
4 |
Correct |
409 ms |
100824 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
40 ms |
10736 KB |
Output is correct |
7 |
Correct |
52 ms |
10744 KB |
Output is correct |
8 |
Correct |
40 ms |
10720 KB |
Output is correct |
9 |
Correct |
41 ms |
10712 KB |
Output is correct |
10 |
Correct |
48 ms |
10748 KB |
Output is correct |
11 |
Correct |
55 ms |
10744 KB |
Output is correct |
12 |
Correct |
46 ms |
10676 KB |
Output is correct |
13 |
Correct |
49 ms |
10756 KB |
Output is correct |
14 |
Correct |
40 ms |
10684 KB |
Output is correct |
15 |
Correct |
48 ms |
10756 KB |
Output is correct |
16 |
Correct |
47 ms |
10752 KB |
Output is correct |
17 |
Correct |
41 ms |
10700 KB |
Output is correct |
18 |
Correct |
470 ms |
100724 KB |
Output is correct |
19 |
Correct |
452 ms |
100716 KB |
Output is correct |
20 |
Correct |
593 ms |
100796 KB |
Output is correct |
21 |
Correct |
49 ms |
10660 KB |
Output is correct |
22 |
Correct |
44 ms |
10756 KB |
Output is correct |
23 |
Correct |
115 ms |
26652 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
49 ms |
7604 KB |
Output is correct |
3 |
Correct |
53 ms |
7556 KB |
Output is correct |
4 |
Correct |
662 ms |
64240 KB |
Output is correct |
5 |
Correct |
46 ms |
7508 KB |
Output is correct |
6 |
Correct |
67 ms |
7460 KB |
Output is correct |
7 |
Correct |
45 ms |
7492 KB |
Output is correct |
8 |
Correct |
48 ms |
7552 KB |
Output is correct |
9 |
Correct |
44 ms |
7552 KB |
Output is correct |
10 |
Correct |
47 ms |
7552 KB |
Output is correct |
11 |
Correct |
58 ms |
7520 KB |
Output is correct |
12 |
Correct |
49 ms |
7588 KB |
Output is correct |
13 |
Correct |
48 ms |
7552 KB |
Output is correct |
14 |
Correct |
528 ms |
64336 KB |
Output is correct |
15 |
Correct |
48 ms |
7352 KB |
Output is correct |
16 |
Correct |
420 ms |
100748 KB |
Output is correct |
17 |
Correct |
460 ms |
100740 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
6 ms |
980 KB |
Output is correct |
3 |
Correct |
5 ms |
980 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
4 ms |
1040 KB |
Output is correct |
17 |
Correct |
51 ms |
9772 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |