#include <bits/stdc++.h>
using namespace std;
#define Baytoro_Mayrambekov void solve()
#define ios ios::sync_with_stdio(false); cin.tie(NULL);
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define fr first
#define sc second
#define int long long
#define endl '\n'
const int INF=1e9;
void fopn(string name){
freopen((name+".in").c_str(),"r",stdin);
freopen((name+".out").c_str(),"w",stdout);
}
int binpow(int a,int n){
if(n==0)
return 1;
if(n%2==1)
return binpow(a, n-1)*a;
else{
int b=binpow(a, n/2);
return b*b;
}
}
int a,b,c,n,m,i,j,k,x,y,cnt=0,sum=0,res=0;
Baytoro_Mayrambekov{
cin>>n>>a>>b;
int mx=a/(__gcd(a,b+1));
if(mx>INF)
mx=INF;
else
mx*=b;
bool check=1;
set<pair<int,int>> st;
for(i=0;i<n;i++){
int l,r;
cin>>l>>r;
if(r-l+1>=mx && check){
cout<<mx<<endl;
check=0;
}
l%=mx;
r%=mx;
if(l<=r){
st.insert({l,r});
}
else{
st.insert({l,mx-1});
st.insert({0,r});
}
}
if(!check){
return;
}
res=0;
int x=-1;
for(auto it: st){
if(x<it.fr)
res+=it.sc-it.fr+1;
else if(x<it.sc)
res+=it.sc-x;
x=max(x,it.sc);
}
cout<<res<<endl;
}
main(){
ios;
int T=1;
//cin>>T;
while(T--){
solve();
}
}
Compilation message
strange_device.cpp:68:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
68 | main(){
| ^~~~
strange_device.cpp: In function 'void fopn(std::string)':
strange_device.cpp:14:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
14 | freopen((name+".in").c_str(),"r",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
strange_device.cpp:15:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
15 | freopen((name+".out").c_str(),"w",stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
6 ms |
1236 KB |
Output is correct |
3 |
Correct |
6 ms |
1236 KB |
Output is correct |
4 |
Correct |
1 ms |
316 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 |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
6 ms |
1236 KB |
Output is correct |
17 |
Correct |
56 ms |
7064 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 |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
300 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 |
278 ms |
25372 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
635 ms |
62952 KB |
Output is correct |
3 |
Incorrect |
558 ms |
31024 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
635 ms |
62952 KB |
Output is correct |
3 |
Incorrect |
558 ms |
31024 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
635 ms |
62952 KB |
Output is correct |
3 |
Incorrect |
558 ms |
31024 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
62 ms |
10248 KB |
Output is correct |
3 |
Correct |
58 ms |
10216 KB |
Output is correct |
4 |
Correct |
618 ms |
82608 KB |
Output is correct |
5 |
Correct |
61 ms |
10260 KB |
Output is correct |
6 |
Correct |
61 ms |
10272 KB |
Output is correct |
7 |
Correct |
59 ms |
10204 KB |
Output is correct |
8 |
Correct |
72 ms |
10188 KB |
Output is correct |
9 |
Correct |
58 ms |
10200 KB |
Output is correct |
10 |
Correct |
59 ms |
10256 KB |
Output is correct |
11 |
Correct |
61 ms |
10188 KB |
Output is correct |
12 |
Correct |
54 ms |
10276 KB |
Output is correct |
13 |
Correct |
59 ms |
10184 KB |
Output is correct |
14 |
Correct |
688 ms |
100132 KB |
Output is correct |
15 |
Correct |
56 ms |
10160 KB |
Output is correct |
16 |
Correct |
617 ms |
94936 KB |
Output is correct |
17 |
Correct |
611 ms |
85004 KB |
Output is correct |
18 |
Correct |
1 ms |
316 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
6 ms |
1236 KB |
Output is correct |
3 |
Correct |
6 ms |
1236 KB |
Output is correct |
4 |
Correct |
1 ms |
316 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 |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
6 ms |
1236 KB |
Output is correct |
17 |
Correct |
56 ms |
7064 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
300 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
278 ms |
25372 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
635 ms |
62952 KB |
Output is correct |
31 |
Incorrect |
558 ms |
31024 KB |
Output isn't correct |
32 |
Halted |
0 ms |
0 KB |
- |