#include <bits/stdc++.h>
using namespace std;
void just_do_it();
int main() {
#ifdef KAMIRULEZ
freopen("kamirulez.inp", "r", stdin);
freopen("kamirulez.out", "w", stdout);
#endif
ios_base::sync_with_stdio(0);
cin.tie(0);
just_do_it();
return 0;
}
const int maxN = 1e6 + 20;
const long long inf = 1e18L + 20;
long long L[maxN];
long long R[maxN];
long long mul(long long x, long long y) {
if (x > inf / y) {
return inf;
}
else {
return x * y;
}
}
void just_do_it() {
int N;
long long A, B;
cin >> N >> A >> B;
for (int i = 0; i < N; i++) {
cin >> L[i] >> R[i];
}
long long cycle = mul(A / __gcd(B + 1, A), B);
if (cycle == inf) {
long long res = 0;
for (int i = 0; i < N; i++) {
res += R[i] - L[i] + 1;
}
cout << res;
return;
}
set<long long> S;
for (int i = 0; i < N; i++) {
for (long long j = L[i]; j <= R[i]; j++) {
S.insert(j % cycle);
}
}
cout << S.size();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
33 ms |
9436 KB |
Output is correct |
3 |
Correct |
55 ms |
13696 KB |
Output is correct |
4 |
Correct |
1 ms |
724 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
4 ms |
980 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 |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
28 ms |
5408 KB |
Output is correct |
16 |
Correct |
19 ms |
5332 KB |
Output is correct |
17 |
Correct |
48 ms |
6496 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Runtime error |
3985 ms |
524288 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
89 ms |
24284 KB |
Output is correct |
3 |
Correct |
87 ms |
24128 KB |
Output is correct |
4 |
Correct |
83 ms |
22988 KB |
Output is correct |
5 |
Execution timed out |
5048 ms |
62660 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
501 ms |
63048 KB |
Output is correct |
3 |
Runtime error |
2484 ms |
524288 KB |
Execution killed with signal 9 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
501 ms |
63048 KB |
Output is correct |
3 |
Runtime error |
2484 ms |
524288 KB |
Execution killed with signal 9 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
501 ms |
63048 KB |
Output is correct |
3 |
Runtime error |
2484 ms |
524288 KB |
Execution killed with signal 9 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Runtime error |
2330 ms |
524288 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
33 ms |
9436 KB |
Output is correct |
3 |
Correct |
55 ms |
13696 KB |
Output is correct |
4 |
Correct |
1 ms |
724 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
4 ms |
980 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 |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
28 ms |
5408 KB |
Output is correct |
16 |
Correct |
19 ms |
5332 KB |
Output is correct |
17 |
Correct |
48 ms |
6496 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Runtime error |
3985 ms |
524288 KB |
Execution killed with signal 9 |
21 |
Halted |
0 ms |
0 KB |
- |