#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define f(i,a,b) for(int i = a; i < b; i++)
const int N = 1e6 + 5;
const ll inf = 1e18 + 5;
int n;
ll l[N], r[N];
ll A, B, S;
void subtask_1(){
set <pair<ll,ll>> s;
f(i,1,n+1){
for(ll j = l[i]; j <= r[i]; j++){
ll a, b;
a = (j + j/B) % A;
b = j % B;
s.insert({a, b});
}
}
cout << s.size() << "\n";
}
void solve(){
ll X = A / __gcd(A, B+1);
ll period = inf;
if(B <= inf/X) period = X * B;
set <pair<ll,ll>> s;
f(i,1,n+1){
ll len = r[i] - l[i] + 1;
if(len >= period){
cout << period << "\n";
return;
}
ll x = l[i] % period;
if(len > period-x){
s.insert({x, period-1});
s.insert({0, r[i]%period});
}
else{
s.insert({x, r[i]%period});
}
}
ll ans = 0, l, r;
auto it = s.begin();
l = it->first, r = it->second;
for(auto p: s){
if(p == *it) continue;
ll x = p.first, y = p.second;
if(x <= r){
r = max(r, y);
}
else if(x == r+1){
r = y;
}
else{
ans += r - l + 1;
l = x, r = y;
}
}
ans += r - l + 1;
cout << ans << "\n";
}
int main(){
cin >> n >> A >> B;
f(i,1,n+1){
cin >> l[i] >> r[i];
}
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
11 ms |
1092 KB |
Output is correct |
3 |
Correct |
11 ms |
1092 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 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 |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 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 |
11 ms |
996 KB |
Output is correct |
17 |
Correct |
108 ms |
8048 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
264 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
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 |
340 KB |
Output is correct |
3 |
Correct |
2 ms |
340 KB |
Output is correct |
4 |
Correct |
2 ms |
340 KB |
Output is correct |
5 |
Correct |
702 ms |
15884 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1154 ms |
78580 KB |
Output is correct |
3 |
Correct |
1128 ms |
78564 KB |
Output is correct |
4 |
Correct |
1113 ms |
78564 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1154 ms |
78580 KB |
Output is correct |
3 |
Correct |
1128 ms |
78564 KB |
Output is correct |
4 |
Correct |
1113 ms |
78564 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1160 ms |
78660 KB |
Output is correct |
7 |
Correct |
1111 ms |
78640 KB |
Output is correct |
8 |
Correct |
1129 ms |
78532 KB |
Output is correct |
9 |
Correct |
1130 ms |
78508 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1154 ms |
78580 KB |
Output is correct |
3 |
Correct |
1128 ms |
78564 KB |
Output is correct |
4 |
Correct |
1113 ms |
78564 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
121 ms |
8264 KB |
Output is correct |
7 |
Correct |
119 ms |
8132 KB |
Output is correct |
8 |
Correct |
108 ms |
8108 KB |
Output is correct |
9 |
Correct |
107 ms |
8036 KB |
Output is correct |
10 |
Correct |
104 ms |
8012 KB |
Output is correct |
11 |
Correct |
111 ms |
8200 KB |
Output is correct |
12 |
Correct |
106 ms |
8072 KB |
Output is correct |
13 |
Correct |
109 ms |
8108 KB |
Output is correct |
14 |
Correct |
107 ms |
8092 KB |
Output is correct |
15 |
Correct |
123 ms |
8064 KB |
Output is correct |
16 |
Correct |
109 ms |
8072 KB |
Output is correct |
17 |
Correct |
108 ms |
8108 KB |
Output is correct |
18 |
Correct |
1145 ms |
78536 KB |
Output is correct |
19 |
Correct |
1121 ms |
78556 KB |
Output is correct |
20 |
Correct |
1138 ms |
78468 KB |
Output is correct |
21 |
Correct |
107 ms |
8124 KB |
Output is correct |
22 |
Correct |
107 ms |
8136 KB |
Output is correct |
23 |
Correct |
336 ms |
5536 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
108 ms |
8236 KB |
Output is correct |
3 |
Correct |
108 ms |
8000 KB |
Output is correct |
4 |
Correct |
1113 ms |
78492 KB |
Output is correct |
5 |
Correct |
117 ms |
8068 KB |
Output is correct |
6 |
Correct |
110 ms |
8004 KB |
Output is correct |
7 |
Correct |
110 ms |
8000 KB |
Output is correct |
8 |
Correct |
122 ms |
8016 KB |
Output is correct |
9 |
Correct |
130 ms |
8116 KB |
Output is correct |
10 |
Correct |
120 ms |
8120 KB |
Output is correct |
11 |
Correct |
111 ms |
8096 KB |
Output is correct |
12 |
Correct |
110 ms |
8048 KB |
Output is correct |
13 |
Correct |
156 ms |
8116 KB |
Output is correct |
14 |
Correct |
1163 ms |
78692 KB |
Output is correct |
15 |
Correct |
112 ms |
8036 KB |
Output is correct |
16 |
Correct |
1194 ms |
78500 KB |
Output is correct |
17 |
Correct |
1110 ms |
78648 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
11 ms |
1092 KB |
Output is correct |
3 |
Correct |
11 ms |
1092 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 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 |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 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 |
11 ms |
996 KB |
Output is correct |
17 |
Correct |
108 ms |
8048 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
264 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
2 ms |
340 KB |
Output is correct |
27 |
Correct |
2 ms |
340 KB |
Output is correct |
28 |
Correct |
702 ms |
15884 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1154 ms |
78580 KB |
Output is correct |
31 |
Correct |
1128 ms |
78564 KB |
Output is correct |
32 |
Correct |
1113 ms |
78564 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1160 ms |
78660 KB |
Output is correct |
35 |
Correct |
1111 ms |
78640 KB |
Output is correct |
36 |
Correct |
1129 ms |
78532 KB |
Output is correct |
37 |
Correct |
1130 ms |
78508 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
121 ms |
8264 KB |
Output is correct |
40 |
Correct |
119 ms |
8132 KB |
Output is correct |
41 |
Correct |
108 ms |
8108 KB |
Output is correct |
42 |
Correct |
107 ms |
8036 KB |
Output is correct |
43 |
Correct |
104 ms |
8012 KB |
Output is correct |
44 |
Correct |
111 ms |
8200 KB |
Output is correct |
45 |
Correct |
106 ms |
8072 KB |
Output is correct |
46 |
Correct |
109 ms |
8108 KB |
Output is correct |
47 |
Correct |
107 ms |
8092 KB |
Output is correct |
48 |
Correct |
123 ms |
8064 KB |
Output is correct |
49 |
Correct |
109 ms |
8072 KB |
Output is correct |
50 |
Correct |
108 ms |
8108 KB |
Output is correct |
51 |
Correct |
1145 ms |
78536 KB |
Output is correct |
52 |
Correct |
1121 ms |
78556 KB |
Output is correct |
53 |
Correct |
1138 ms |
78468 KB |
Output is correct |
54 |
Correct |
107 ms |
8124 KB |
Output is correct |
55 |
Correct |
107 ms |
8136 KB |
Output is correct |
56 |
Correct |
336 ms |
5536 KB |
Output is correct |
57 |
Correct |
0 ms |
212 KB |
Output is correct |
58 |
Correct |
108 ms |
8236 KB |
Output is correct |
59 |
Correct |
108 ms |
8000 KB |
Output is correct |
60 |
Correct |
1113 ms |
78492 KB |
Output is correct |
61 |
Correct |
117 ms |
8068 KB |
Output is correct |
62 |
Correct |
110 ms |
8004 KB |
Output is correct |
63 |
Correct |
110 ms |
8000 KB |
Output is correct |
64 |
Correct |
122 ms |
8016 KB |
Output is correct |
65 |
Correct |
130 ms |
8116 KB |
Output is correct |
66 |
Correct |
120 ms |
8120 KB |
Output is correct |
67 |
Correct |
111 ms |
8096 KB |
Output is correct |
68 |
Correct |
110 ms |
8048 KB |
Output is correct |
69 |
Correct |
156 ms |
8116 KB |
Output is correct |
70 |
Correct |
1163 ms |
78692 KB |
Output is correct |
71 |
Correct |
112 ms |
8036 KB |
Output is correct |
72 |
Correct |
1194 ms |
78500 KB |
Output is correct |
73 |
Correct |
1110 ms |
78648 KB |
Output is correct |
74 |
Correct |
0 ms |
212 KB |
Output is correct |
75 |
Correct |
1 ms |
212 KB |
Output is correct |
76 |
Correct |
1 ms |
212 KB |
Output is correct |
77 |
Correct |
1 ms |
304 KB |
Output is correct |
78 |
Correct |
1 ms |
312 KB |
Output is correct |
79 |
Correct |
13 ms |
1472 KB |
Output is correct |
80 |
Correct |
1146 ms |
115708 KB |
Output is correct |
81 |
Correct |
1184 ms |
115732 KB |
Output is correct |
82 |
Correct |
1234 ms |
115864 KB |
Output is correct |
83 |
Correct |
1236 ms |
115808 KB |
Output is correct |
84 |
Correct |
1323 ms |
115764 KB |
Output is correct |
85 |
Correct |
1157 ms |
115648 KB |
Output is correct |
86 |
Correct |
323 ms |
18140 KB |
Output is correct |
87 |
Correct |
1 ms |
212 KB |
Output is correct |