#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll inf = 1e18;
typedef pair<ll,ll> pll;
#define R first
#define L second
set<pll> s;
void add(pll p)
{
for (auto it = s.lower_bound({p.L,-1}); it != end(s) && it->L <= p.R; s.erase(it++)) {
p.L = min(p.L, it->L);
p.R = max(p.R, it->R);
}
s.insert(p);
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int n;
ll A,B,ans=0;
cin >> n >> A >> B;
A /= __gcd(A,B+1);
if (A > inf / B) {
while (n--) {
ll l,r;
cin >> l >> r;
ans += r - l + 1;
}
} else {
ll C = A * B;
while (n--) {
ll l,r;
cin >> l >> r;
if (r - l + 1 >= C) {
add({C-1,0});
} else {
l %= C, r %= C;
if (l <= r)
add({r,l});
else
add({C-1,l}), add({r,0});
}
}
for (auto p : s)
ans += p.R - p.L + 1;
}
cout << ans << endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
10 ms |
1116 KB |
Output is correct |
3 |
Correct |
10 ms |
1048 KB |
Output is correct |
4 |
Correct |
2 ms |
376 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 |
376 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 |
380 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
10 ms |
1144 KB |
Output is correct |
17 |
Correct |
99 ms |
6648 KB |
Output is correct |
18 |
Correct |
2 ms |
252 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
296 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
296 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
376 KB |
Output is correct |
3 |
Correct |
3 ms |
376 KB |
Output is correct |
4 |
Correct |
3 ms |
376 KB |
Output is correct |
5 |
Correct |
538 ms |
988 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
1097 ms |
63516 KB |
Output is correct |
3 |
Correct |
1164 ms |
63528 KB |
Output is correct |
4 |
Correct |
1194 ms |
63644 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
1097 ms |
63516 KB |
Output is correct |
3 |
Correct |
1164 ms |
63528 KB |
Output is correct |
4 |
Correct |
1194 ms |
63644 KB |
Output is correct |
5 |
Correct |
2 ms |
252 KB |
Output is correct |
6 |
Correct |
1110 ms |
63544 KB |
Output is correct |
7 |
Correct |
1124 ms |
63384 KB |
Output is correct |
8 |
Correct |
1163 ms |
63588 KB |
Output is correct |
9 |
Correct |
1233 ms |
63280 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
1097 ms |
63516 KB |
Output is correct |
3 |
Correct |
1164 ms |
63528 KB |
Output is correct |
4 |
Correct |
1194 ms |
63644 KB |
Output is correct |
5 |
Correct |
2 ms |
348 KB |
Output is correct |
6 |
Correct |
88 ms |
7404 KB |
Output is correct |
7 |
Correct |
91 ms |
7788 KB |
Output is correct |
8 |
Correct |
96 ms |
7948 KB |
Output is correct |
9 |
Correct |
108 ms |
7936 KB |
Output is correct |
10 |
Correct |
93 ms |
7792 KB |
Output is correct |
11 |
Correct |
90 ms |
7636 KB |
Output is correct |
12 |
Correct |
94 ms |
7544 KB |
Output is correct |
13 |
Correct |
106 ms |
7672 KB |
Output is correct |
14 |
Correct |
93 ms |
7900 KB |
Output is correct |
15 |
Correct |
125 ms |
7468 KB |
Output is correct |
16 |
Correct |
110 ms |
7292 KB |
Output is correct |
17 |
Correct |
112 ms |
7516 KB |
Output is correct |
18 |
Correct |
1088 ms |
63280 KB |
Output is correct |
19 |
Correct |
1154 ms |
63364 KB |
Output is correct |
20 |
Correct |
1173 ms |
63464 KB |
Output is correct |
21 |
Correct |
94 ms |
7928 KB |
Output is correct |
22 |
Correct |
99 ms |
8004 KB |
Output is correct |
23 |
Correct |
192 ms |
2172 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
420 KB |
Output is correct |
2 |
Correct |
105 ms |
8040 KB |
Output is correct |
3 |
Correct |
107 ms |
8408 KB |
Output is correct |
4 |
Correct |
1167 ms |
63460 KB |
Output is correct |
5 |
Correct |
109 ms |
8316 KB |
Output is correct |
6 |
Correct |
114 ms |
8304 KB |
Output is correct |
7 |
Correct |
111 ms |
8312 KB |
Output is correct |
8 |
Correct |
108 ms |
8196 KB |
Output is correct |
9 |
Correct |
105 ms |
8184 KB |
Output is correct |
10 |
Correct |
95 ms |
8316 KB |
Output is correct |
11 |
Correct |
100 ms |
7976 KB |
Output is correct |
12 |
Correct |
100 ms |
7980 KB |
Output is correct |
13 |
Correct |
109 ms |
7952 KB |
Output is correct |
14 |
Correct |
1231 ms |
63364 KB |
Output is correct |
15 |
Correct |
91 ms |
7080 KB |
Output is correct |
16 |
Correct |
1075 ms |
63400 KB |
Output is correct |
17 |
Correct |
1076 ms |
63408 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
10 ms |
1116 KB |
Output is correct |
3 |
Correct |
10 ms |
1048 KB |
Output is correct |
4 |
Correct |
2 ms |
376 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 |
376 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 |
380 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
10 ms |
1144 KB |
Output is correct |
17 |
Correct |
99 ms |
6648 KB |
Output is correct |
18 |
Correct |
2 ms |
252 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
256 KB |
Output is correct |
21 |
Correct |
2 ms |
296 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
296 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
3 ms |
376 KB |
Output is correct |
26 |
Correct |
3 ms |
376 KB |
Output is correct |
27 |
Correct |
3 ms |
376 KB |
Output is correct |
28 |
Correct |
538 ms |
988 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
1097 ms |
63516 KB |
Output is correct |
31 |
Correct |
1164 ms |
63528 KB |
Output is correct |
32 |
Correct |
1194 ms |
63644 KB |
Output is correct |
33 |
Correct |
2 ms |
252 KB |
Output is correct |
34 |
Correct |
1110 ms |
63544 KB |
Output is correct |
35 |
Correct |
1124 ms |
63384 KB |
Output is correct |
36 |
Correct |
1163 ms |
63588 KB |
Output is correct |
37 |
Correct |
1233 ms |
63280 KB |
Output is correct |
38 |
Correct |
2 ms |
348 KB |
Output is correct |
39 |
Correct |
88 ms |
7404 KB |
Output is correct |
40 |
Correct |
91 ms |
7788 KB |
Output is correct |
41 |
Correct |
96 ms |
7948 KB |
Output is correct |
42 |
Correct |
108 ms |
7936 KB |
Output is correct |
43 |
Correct |
93 ms |
7792 KB |
Output is correct |
44 |
Correct |
90 ms |
7636 KB |
Output is correct |
45 |
Correct |
94 ms |
7544 KB |
Output is correct |
46 |
Correct |
106 ms |
7672 KB |
Output is correct |
47 |
Correct |
93 ms |
7900 KB |
Output is correct |
48 |
Correct |
125 ms |
7468 KB |
Output is correct |
49 |
Correct |
110 ms |
7292 KB |
Output is correct |
50 |
Correct |
112 ms |
7516 KB |
Output is correct |
51 |
Correct |
1088 ms |
63280 KB |
Output is correct |
52 |
Correct |
1154 ms |
63364 KB |
Output is correct |
53 |
Correct |
1173 ms |
63464 KB |
Output is correct |
54 |
Correct |
94 ms |
7928 KB |
Output is correct |
55 |
Correct |
99 ms |
8004 KB |
Output is correct |
56 |
Correct |
192 ms |
2172 KB |
Output is correct |
57 |
Correct |
2 ms |
420 KB |
Output is correct |
58 |
Correct |
105 ms |
8040 KB |
Output is correct |
59 |
Correct |
107 ms |
8408 KB |
Output is correct |
60 |
Correct |
1167 ms |
63460 KB |
Output is correct |
61 |
Correct |
109 ms |
8316 KB |
Output is correct |
62 |
Correct |
114 ms |
8304 KB |
Output is correct |
63 |
Correct |
111 ms |
8312 KB |
Output is correct |
64 |
Correct |
108 ms |
8196 KB |
Output is correct |
65 |
Correct |
105 ms |
8184 KB |
Output is correct |
66 |
Correct |
95 ms |
8316 KB |
Output is correct |
67 |
Correct |
100 ms |
7976 KB |
Output is correct |
68 |
Correct |
100 ms |
7980 KB |
Output is correct |
69 |
Correct |
109 ms |
7952 KB |
Output is correct |
70 |
Correct |
1231 ms |
63364 KB |
Output is correct |
71 |
Correct |
91 ms |
7080 KB |
Output is correct |
72 |
Correct |
1075 ms |
63400 KB |
Output is correct |
73 |
Correct |
1076 ms |
63408 KB |
Output is correct |
74 |
Correct |
2 ms |
376 KB |
Output is correct |
75 |
Correct |
2 ms |
376 KB |
Output is correct |
76 |
Correct |
2 ms |
376 KB |
Output is correct |
77 |
Correct |
2 ms |
376 KB |
Output is correct |
78 |
Correct |
2 ms |
376 KB |
Output is correct |
79 |
Correct |
11 ms |
1272 KB |
Output is correct |
80 |
Correct |
1192 ms |
63380 KB |
Output is correct |
81 |
Correct |
1154 ms |
63284 KB |
Output is correct |
82 |
Correct |
1257 ms |
63332 KB |
Output is correct |
83 |
Correct |
1242 ms |
63420 KB |
Output is correct |
84 |
Correct |
1256 ms |
63532 KB |
Output is correct |
85 |
Correct |
1189 ms |
63660 KB |
Output is correct |
86 |
Correct |
194 ms |
2040 KB |
Output is correct |
87 |
Correct |
2 ms |
296 KB |
Output is correct |