#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
typedef long long int ll;
typedef pair<ll,ll> pll;
typedef long double ld;
ll INF=1e18+1;
ll N,A,B,M;
ll L[1000006],R[1000006];
ll x,y;
vector<pll> S;
vector<pll> V;
ll ans,K;
int main(){
cin>>N>>A>>B;
if((ld)A*(ld)B>(ld)INF)
M=INF;
else
M=A*B;
for(int i=0;i<N;i++){
cin>>L[i]>>R[i];
x=L[i]%M;
y=R[i]%M;
if(y<x){
if(R[i]-L[i]>=M){
V.push_back({0,1});
V.push_back({M,-1});
}
else{
V.push_back({0,1});
V.push_back({y+1,-1});
V.push_back({x,1});
V.push_back({M,-1});
}
}
else{
V.push_back({x,1});
V.push_back({y+1,-1});
}
}
V.push_back({0,0});
sort(V.begin(),V.end());
for(pll p:V){
if(!S.empty() and p.first==S.back().first)
S.back().second+=p.second;
else
S.push_back(p);
}
pll q=*S.begin();
for(pll p:S){
if(K)
ans+=p.first-q.first;
K+=p.second;
q=p;
}
cout<<ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
348 KB |
Output is correct |
2 |
Correct |
29 ms |
1544 KB |
Output is correct |
3 |
Correct |
30 ms |
1648 KB |
Output is correct |
4 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Incorrect |
2 ms |
380 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
508 KB |
Output is correct |
3 |
Correct |
5 ms |
536 KB |
Output is correct |
4 |
Correct |
5 ms |
504 KB |
Output is correct |
5 |
Correct |
1980 ms |
48924 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2875 ms |
81316 KB |
Output is correct |
3 |
Incorrect |
2768 ms |
80292 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2875 ms |
81316 KB |
Output is correct |
3 |
Incorrect |
2768 ms |
80292 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2875 ms |
81316 KB |
Output is correct |
3 |
Incorrect |
2768 ms |
80292 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
292 ms |
11616 KB |
Output is correct |
3 |
Correct |
294 ms |
10360 KB |
Output is correct |
4 |
Correct |
2953 ms |
80388 KB |
Output is correct |
5 |
Correct |
291 ms |
10204 KB |
Output is correct |
6 |
Correct |
292 ms |
10216 KB |
Output is correct |
7 |
Correct |
289 ms |
10192 KB |
Output is correct |
8 |
Correct |
288 ms |
10216 KB |
Output is correct |
9 |
Correct |
292 ms |
10152 KB |
Output is correct |
10 |
Correct |
287 ms |
10204 KB |
Output is correct |
11 |
Correct |
289 ms |
10264 KB |
Output is correct |
12 |
Correct |
283 ms |
10276 KB |
Output is correct |
13 |
Correct |
291 ms |
9892 KB |
Output is correct |
14 |
Correct |
2936 ms |
80292 KB |
Output is correct |
15 |
Incorrect |
319 ms |
9984 KB |
Output isn't correct |
16 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
348 KB |
Output is correct |
2 |
Correct |
29 ms |
1544 KB |
Output is correct |
3 |
Correct |
30 ms |
1648 KB |
Output is correct |
4 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |