#pragma GCC optimize("Ofast")
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define mp make_pair
#define all(a) a.begin(),a.end()
#define sz(a) (int)(a.size())
#define lb lower_bound
#define ub upper_bound
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
#define MOD (ll)(1e9+7)
#define INF (ll)(1e18)
#define debug(...) fprintf(stderr, __VA_ARGS__),fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false);\
debug("%s time : %.4fs\n", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))
typedef long long int ll;
typedef long double ld;
typedef pair<ll,ll> PII;
typedef pair<int,int> pii;
typedef vector<vector<int>> vii;
typedef vector<vector<ll>> VII;
ll gcd(ll A,ll B) {if(!B)return A;return gcd(B,A%B);}
int main()
{
ll n,a,b;
cin>>n>>a>>b;
ll C = a/gcd(a,b+1) > INF/b?INF+1:(a/gcd(a,b+1))*b;
// cout<<C<<'\n';
vector<PII>s;
for(int i=0;i<n;i++){
ll l,r;
cin>>l>>r;
l%=C;
r%=C;
if(r >= l){
s.pb({l,r});
}else{
s.pb({l,C-1});
s.pb({0,r});
}
}
sort(all(s));
ll ans = 0;
ll lf = 0;
ll rg = -1;
for(int i=0;i<sz(s);i++){
//cout<<s[i].fi<<" "<<s[i].se<<'\n';
if(s[i].fi > rg){
ans+=rg-lf+1;
lf = s[i].fi;
rg = s[i].se;
if(i == sz(s)-1)ans+=rg-lf+1;
}else{
rg = max(rg,s[i].se);
if(i == sz(s)-1)ans+=rg-lf+1;
}
//cout<<ans<<'\n';
}
cout<<ans<<'\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
15 ms |
748 KB |
Output is correct |
3 |
Correct |
16 ms |
748 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
0 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
512 KB |
Output is correct |
14 |
Correct |
0 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
15 ms |
748 KB |
Output is correct |
17 |
Correct |
157 ms |
2624 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
364 KB |
Output is correct |
2 |
Incorrect |
0 ms |
364 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
364 KB |
Output is correct |
2 |
Correct |
2 ms |
364 KB |
Output is correct |
3 |
Correct |
2 ms |
364 KB |
Output is correct |
4 |
Correct |
2 ms |
364 KB |
Output is correct |
5 |
Correct |
1062 ms |
16968 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
364 KB |
Output is correct |
2 |
Correct |
1465 ms |
16844 KB |
Output is correct |
3 |
Correct |
1452 ms |
16840 KB |
Output is correct |
4 |
Correct |
1433 ms |
17172 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
364 KB |
Output is correct |
2 |
Correct |
1465 ms |
16844 KB |
Output is correct |
3 |
Correct |
1452 ms |
16840 KB |
Output is correct |
4 |
Correct |
1433 ms |
17172 KB |
Output is correct |
5 |
Correct |
0 ms |
364 KB |
Output is correct |
6 |
Correct |
1452 ms |
17004 KB |
Output is correct |
7 |
Correct |
1474 ms |
17128 KB |
Output is correct |
8 |
Correct |
1450 ms |
17140 KB |
Output is correct |
9 |
Correct |
1496 ms |
16968 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
364 KB |
Output is correct |
2 |
Correct |
1465 ms |
16844 KB |
Output is correct |
3 |
Correct |
1452 ms |
16840 KB |
Output is correct |
4 |
Correct |
1433 ms |
17172 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
145 ms |
2528 KB |
Output is correct |
7 |
Correct |
148 ms |
2528 KB |
Output is correct |
8 |
Correct |
144 ms |
2528 KB |
Output is correct |
9 |
Correct |
144 ms |
2528 KB |
Output is correct |
10 |
Correct |
147 ms |
2528 KB |
Output is correct |
11 |
Correct |
145 ms |
2528 KB |
Output is correct |
12 |
Correct |
143 ms |
2528 KB |
Output is correct |
13 |
Correct |
146 ms |
2472 KB |
Output is correct |
14 |
Correct |
144 ms |
2528 KB |
Output is correct |
15 |
Correct |
148 ms |
2556 KB |
Output is correct |
16 |
Correct |
146 ms |
2528 KB |
Output is correct |
17 |
Correct |
147 ms |
2528 KB |
Output is correct |
18 |
Correct |
1457 ms |
16840 KB |
Output is correct |
19 |
Correct |
1438 ms |
16880 KB |
Output is correct |
20 |
Correct |
1503 ms |
17008 KB |
Output is correct |
21 |
Correct |
149 ms |
2528 KB |
Output is correct |
22 |
Correct |
143 ms |
2528 KB |
Output is correct |
23 |
Correct |
477 ms |
8700 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
148 ms |
2528 KB |
Output is correct |
3 |
Correct |
149 ms |
2528 KB |
Output is correct |
4 |
Correct |
1524 ms |
16840 KB |
Output is correct |
5 |
Correct |
150 ms |
2528 KB |
Output is correct |
6 |
Correct |
145 ms |
2528 KB |
Output is correct |
7 |
Correct |
149 ms |
2528 KB |
Output is correct |
8 |
Correct |
149 ms |
2528 KB |
Output is correct |
9 |
Correct |
147 ms |
2584 KB |
Output is correct |
10 |
Correct |
147 ms |
2528 KB |
Output is correct |
11 |
Correct |
147 ms |
2528 KB |
Output is correct |
12 |
Correct |
143 ms |
2556 KB |
Output is correct |
13 |
Correct |
146 ms |
2528 KB |
Output is correct |
14 |
Correct |
1496 ms |
17008 KB |
Output is correct |
15 |
Correct |
148 ms |
2568 KB |
Output is correct |
16 |
Correct |
1454 ms |
16968 KB |
Output is correct |
17 |
Correct |
1444 ms |
16968 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
15 ms |
748 KB |
Output is correct |
3 |
Correct |
16 ms |
748 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
0 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
512 KB |
Output is correct |
14 |
Correct |
0 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
15 ms |
748 KB |
Output is correct |
17 |
Correct |
157 ms |
2624 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
0 ms |
364 KB |
Output is correct |
20 |
Incorrect |
0 ms |
364 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |