#include <bits/stdc++.h>
using namespace std;
#define int long long
int mx = 1000000000000000000;
#define f first
#define s second
int32_t main() {
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
int n,a,b;
int input1,input2;
cin >> n >> a >> b;
int c = a/(__gcd(a,b+1));
if(c>(mx+b-1)/b){
mx = mx+1;
}
else{
mx = c*b;
}
vector<pair<int,int> > vect1;
for(int i=0;i<n;i++){
cin >> input1 >> input2;
if(input2-input1+1>=mx){
cout << mx;
return 0;
}
input1 %= mx;
input2 %= mx;
if(input1>input2){
vect1.push_back({0,input2});
vect1.push_back({input1,mx-1});
}
else{
vect1.push_back({input1,input2});
}
}
sort(vect1.begin(),vect1.end());
int ans = 0;
int currpos = -1;
for(int i=0;i<vect1.size();i++){
if(vect1[i].f>currpos){
ans += vect1[i].s-vect1[i].f+1;
currpos = vect1[i].s;
}
else if(vect1[i].s>currpos){
ans += vect1[i].s-currpos;
currpos = vect1[i].s;
}
}
cout << ans;
}
Compilation message
strange_device.cpp: In function 'int32_t main()':
strange_device.cpp:40:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
40 | for(int i=0;i<vect1.size();i++){
| ~^~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
1152 KB |
Output is correct |
3 |
Correct |
5 ms |
1152 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
1152 KB |
Output is correct |
17 |
Correct |
50 ms |
5740 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
375 ms |
41284 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
483 ms |
35208 KB |
Output is correct |
3 |
Correct |
470 ms |
34740 KB |
Output is correct |
4 |
Correct |
451 ms |
29888 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
483 ms |
35208 KB |
Output is correct |
3 |
Correct |
470 ms |
34740 KB |
Output is correct |
4 |
Correct |
451 ms |
29888 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
455 ms |
30016 KB |
Output is correct |
7 |
Correct |
468 ms |
30016 KB |
Output is correct |
8 |
Correct |
473 ms |
30168 KB |
Output is correct |
9 |
Correct |
513 ms |
29892 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
483 ms |
35208 KB |
Output is correct |
3 |
Correct |
470 ms |
34740 KB |
Output is correct |
4 |
Correct |
451 ms |
29888 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
47 ms |
5680 KB |
Output is correct |
7 |
Correct |
48 ms |
5740 KB |
Output is correct |
8 |
Correct |
48 ms |
5740 KB |
Output is correct |
9 |
Correct |
47 ms |
5740 KB |
Output is correct |
10 |
Correct |
50 ms |
5740 KB |
Output is correct |
11 |
Correct |
61 ms |
5736 KB |
Output is correct |
12 |
Correct |
70 ms |
5736 KB |
Output is correct |
13 |
Correct |
48 ms |
5740 KB |
Output is correct |
14 |
Correct |
53 ms |
5740 KB |
Output is correct |
15 |
Correct |
51 ms |
5736 KB |
Output is correct |
16 |
Correct |
50 ms |
5740 KB |
Output is correct |
17 |
Correct |
60 ms |
5740 KB |
Output is correct |
18 |
Correct |
463 ms |
33384 KB |
Output is correct |
19 |
Correct |
466 ms |
31956 KB |
Output is correct |
20 |
Correct |
519 ms |
32580 KB |
Output is correct |
21 |
Correct |
52 ms |
5740 KB |
Output is correct |
22 |
Correct |
43 ms |
5740 KB |
Output is correct |
23 |
Correct |
170 ms |
18528 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
49 ms |
5736 KB |
Output is correct |
3 |
Correct |
49 ms |
5740 KB |
Output is correct |
4 |
Correct |
617 ms |
33380 KB |
Output is correct |
5 |
Correct |
50 ms |
5736 KB |
Output is correct |
6 |
Correct |
48 ms |
5736 KB |
Output is correct |
7 |
Correct |
51 ms |
5732 KB |
Output is correct |
8 |
Correct |
51 ms |
5740 KB |
Output is correct |
9 |
Correct |
49 ms |
5868 KB |
Output is correct |
10 |
Correct |
51 ms |
5740 KB |
Output is correct |
11 |
Correct |
49 ms |
5772 KB |
Output is correct |
12 |
Correct |
46 ms |
5736 KB |
Output is correct |
13 |
Correct |
48 ms |
5740 KB |
Output is correct |
14 |
Correct |
507 ms |
34680 KB |
Output is correct |
15 |
Correct |
48 ms |
5740 KB |
Output is correct |
16 |
Correct |
456 ms |
27484 KB |
Output is correct |
17 |
Correct |
448 ms |
33984 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
1152 KB |
Output is correct |
3 |
Correct |
5 ms |
1152 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
1152 KB |
Output is correct |
17 |
Correct |
50 ms |
5740 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
0 ms |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
375 ms |
41284 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
483 ms |
35208 KB |
Output is correct |
31 |
Correct |
470 ms |
34740 KB |
Output is correct |
32 |
Correct |
451 ms |
29888 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
455 ms |
30016 KB |
Output is correct |
35 |
Correct |
468 ms |
30016 KB |
Output is correct |
36 |
Correct |
473 ms |
30168 KB |
Output is correct |
37 |
Correct |
513 ms |
29892 KB |
Output is correct |
38 |
Correct |
0 ms |
384 KB |
Output is correct |
39 |
Correct |
47 ms |
5680 KB |
Output is correct |
40 |
Correct |
48 ms |
5740 KB |
Output is correct |
41 |
Correct |
48 ms |
5740 KB |
Output is correct |
42 |
Correct |
47 ms |
5740 KB |
Output is correct |
43 |
Correct |
50 ms |
5740 KB |
Output is correct |
44 |
Correct |
61 ms |
5736 KB |
Output is correct |
45 |
Correct |
70 ms |
5736 KB |
Output is correct |
46 |
Correct |
48 ms |
5740 KB |
Output is correct |
47 |
Correct |
53 ms |
5740 KB |
Output is correct |
48 |
Correct |
51 ms |
5736 KB |
Output is correct |
49 |
Correct |
50 ms |
5740 KB |
Output is correct |
50 |
Correct |
60 ms |
5740 KB |
Output is correct |
51 |
Correct |
463 ms |
33384 KB |
Output is correct |
52 |
Correct |
466 ms |
31956 KB |
Output is correct |
53 |
Correct |
519 ms |
32580 KB |
Output is correct |
54 |
Correct |
52 ms |
5740 KB |
Output is correct |
55 |
Correct |
43 ms |
5740 KB |
Output is correct |
56 |
Correct |
170 ms |
18528 KB |
Output is correct |
57 |
Correct |
1 ms |
384 KB |
Output is correct |
58 |
Correct |
49 ms |
5736 KB |
Output is correct |
59 |
Correct |
49 ms |
5740 KB |
Output is correct |
60 |
Correct |
617 ms |
33380 KB |
Output is correct |
61 |
Correct |
50 ms |
5736 KB |
Output is correct |
62 |
Correct |
48 ms |
5736 KB |
Output is correct |
63 |
Correct |
51 ms |
5732 KB |
Output is correct |
64 |
Correct |
51 ms |
5740 KB |
Output is correct |
65 |
Correct |
49 ms |
5868 KB |
Output is correct |
66 |
Correct |
51 ms |
5740 KB |
Output is correct |
67 |
Correct |
49 ms |
5772 KB |
Output is correct |
68 |
Correct |
46 ms |
5736 KB |
Output is correct |
69 |
Correct |
48 ms |
5740 KB |
Output is correct |
70 |
Correct |
507 ms |
34680 KB |
Output is correct |
71 |
Correct |
48 ms |
5740 KB |
Output is correct |
72 |
Correct |
456 ms |
27484 KB |
Output is correct |
73 |
Correct |
448 ms |
33984 KB |
Output is correct |
74 |
Correct |
0 ms |
384 KB |
Output is correct |
75 |
Correct |
1 ms |
384 KB |
Output is correct |
76 |
Correct |
1 ms |
384 KB |
Output is correct |
77 |
Correct |
0 ms |
384 KB |
Output is correct |
78 |
Correct |
1 ms |
384 KB |
Output is correct |
79 |
Correct |
5 ms |
1152 KB |
Output is correct |
80 |
Correct |
542 ms |
53440 KB |
Output is correct |
81 |
Correct |
533 ms |
53312 KB |
Output is correct |
82 |
Correct |
516 ms |
53392 KB |
Output is correct |
83 |
Correct |
519 ms |
53312 KB |
Output is correct |
84 |
Correct |
502 ms |
53328 KB |
Output is correct |
85 |
Correct |
517 ms |
42928 KB |
Output is correct |
86 |
Correct |
143 ms |
18528 KB |
Output is correct |
87 |
Correct |
1 ms |
384 KB |
Output is correct |