#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> p;
ll n, a, b, c, sz;
int main(){
ios_base::sync_with_stdio(0); cin.tie(0);
cin >> n >> a >> b;
sz = a / __gcd(a, b+1) * b;
vector<p> v;
for(int i=0; i<n; i++){
ll l, r; cin >> l >> r;
if(r-l+1 > sz){
cout << sz; return 0;
}
l %= sz, r %= sz;
if(l <= r) v.emplace_back(l, r);
else v.emplace_back(l, sz-1), v.emplace_back(0, r);
}
sort(v.begin(), v.end());
ll ans = 0;
for(int i=0; i<v.size(); i++){
int j = i; ll now = v[i].second;
while(j < v.size() && v[j].first <= now){
now = max(now, v[j].second); j++;
}
ans += now - v[i].first + 1;
i = j - 1;
}
cout << ans;
}
Compilation message
strange_device.cpp: In function 'int main()':
strange_device.cpp:26:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0; i<v.size(); i++){
~^~~~~~~~~
strange_device.cpp:28:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while(j < v.size() && v[j].first <= now){
~~^~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
8 ms |
1016 KB |
Output is correct |
3 |
Correct |
8 ms |
1148 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
252 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
8 ms |
1020 KB |
Output is correct |
17 |
Correct |
69 ms |
4308 KB |
Output is correct |
18 |
Incorrect |
2 ms |
452 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
3 ms |
396 KB |
Output is correct |
4 |
Correct |
3 ms |
376 KB |
Output is correct |
5 |
Correct |
447 ms |
18132 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
622 ms |
18436 KB |
Output is correct |
3 |
Correct |
612 ms |
18212 KB |
Output is correct |
4 |
Correct |
611 ms |
18440 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
622 ms |
18436 KB |
Output is correct |
3 |
Correct |
612 ms |
18212 KB |
Output is correct |
4 |
Correct |
611 ms |
18440 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
613 ms |
18296 KB |
Output is correct |
7 |
Correct |
610 ms |
18376 KB |
Output is correct |
8 |
Correct |
610 ms |
18384 KB |
Output is correct |
9 |
Correct |
669 ms |
18224 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
622 ms |
18436 KB |
Output is correct |
3 |
Correct |
612 ms |
18212 KB |
Output is correct |
4 |
Correct |
611 ms |
18440 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
55 ms |
3832 KB |
Output is correct |
7 |
Correct |
68 ms |
3880 KB |
Output is correct |
8 |
Correct |
64 ms |
3588 KB |
Output is correct |
9 |
Correct |
65 ms |
3696 KB |
Output is correct |
10 |
Correct |
62 ms |
4080 KB |
Output is correct |
11 |
Correct |
65 ms |
4000 KB |
Output is correct |
12 |
Correct |
62 ms |
4048 KB |
Output is correct |
13 |
Correct |
68 ms |
4080 KB |
Output is correct |
14 |
Correct |
62 ms |
4356 KB |
Output is correct |
15 |
Correct |
69 ms |
4256 KB |
Output is correct |
16 |
Correct |
68 ms |
4472 KB |
Output is correct |
17 |
Correct |
64 ms |
4336 KB |
Output is correct |
18 |
Correct |
616 ms |
18440 KB |
Output is correct |
19 |
Correct |
603 ms |
18488 KB |
Output is correct |
20 |
Correct |
675 ms |
18472 KB |
Output is correct |
21 |
Correct |
69 ms |
4504 KB |
Output is correct |
22 |
Correct |
61 ms |
4264 KB |
Output is correct |
23 |
Correct |
199 ms |
12508 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
67 ms |
4224 KB |
Output is correct |
3 |
Correct |
68 ms |
4180 KB |
Output is correct |
4 |
Correct |
702 ms |
18432 KB |
Output is correct |
5 |
Correct |
68 ms |
4332 KB |
Output is correct |
6 |
Correct |
69 ms |
4336 KB |
Output is correct |
7 |
Correct |
68 ms |
4332 KB |
Output is correct |
8 |
Correct |
70 ms |
4360 KB |
Output is correct |
9 |
Correct |
68 ms |
4080 KB |
Output is correct |
10 |
Correct |
71 ms |
4104 KB |
Output is correct |
11 |
Correct |
74 ms |
3952 KB |
Output is correct |
12 |
Correct |
62 ms |
4080 KB |
Output is correct |
13 |
Correct |
68 ms |
4056 KB |
Output is correct |
14 |
Correct |
666 ms |
18380 KB |
Output is correct |
15 |
Correct |
67 ms |
4332 KB |
Output is correct |
16 |
Correct |
613 ms |
18436 KB |
Output is correct |
17 |
Correct |
604 ms |
18500 KB |
Output is correct |
18 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
8 ms |
1016 KB |
Output is correct |
3 |
Correct |
8 ms |
1148 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
252 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
8 ms |
1020 KB |
Output is correct |
17 |
Correct |
69 ms |
4308 KB |
Output is correct |
18 |
Incorrect |
2 ms |
452 KB |
Output isn't correct |