#include <stdio.h>
#include <algorithm>
#include <bitset>
#include <cassert>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <deque>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
using namespace std;
#define ll long long
#define pb push_back
#define mp make_pair
#define f first
#define s second
#define ld long double
#define bug cout << "bug\n";
const ll maxn = 1e6 + 5, maxm = 2e2 + 1;
const ll mod = 1e9 + 7, inf = 1e9, block = 550, hb = 126067, base = 1000050017,
biginf = 5e18;
const ld eps = 1e-15;
using namespace std;
int n;
ll a, b, p;
ll l[maxn], r[maxn];
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
cin >> n >> a >> b;
a = a / gcd(a, b + 1);
if (a > 1e18 / b){
p = 1e18;
}
else{
p = a * b;
}
vector<pair<ll, ll>> v;
for (int i = 1; i <= n; ++i){
cin >> l[i] >> r[i];
ll x = l[i] % p;
ll y = r[i] % p;
/*if (r[i] - l[i] + 1 >= p){
cout << p;
exit(0);
}*/
if (x <= y){
v.pb(mp(x, y));
}
else{
v.pb(mp(x, p - 1));
v.pb(mp(0, y));
}
}
sort(v.begin(), v.end());
ll ans = 0, nxt = -1;
for (auto it : v){
ll lf = it.f, rg = it.s;
if (nxt < lf){
ans += rg - lf + 1;
nxt = rg;
}
else if (nxt <= rg){
ans += rg - nxt;
nxt = rg;
}
}
cout << ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
5 ms |
1108 KB |
Output is correct |
3 |
Correct |
6 ms |
1236 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
328 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
328 KB |
Output is correct |
13 |
Correct |
1 ms |
328 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
328 KB |
Output is correct |
16 |
Correct |
5 ms |
1156 KB |
Output is correct |
17 |
Correct |
43 ms |
4412 KB |
Output is correct |
18 |
Correct |
1 ms |
328 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
298 ms |
32460 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
388 ms |
32540 KB |
Output is correct |
3 |
Correct |
389 ms |
32172 KB |
Output is correct |
4 |
Correct |
368 ms |
32228 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
388 ms |
32540 KB |
Output is correct |
3 |
Correct |
389 ms |
32172 KB |
Output is correct |
4 |
Correct |
368 ms |
32228 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
388 ms |
32236 KB |
Output is correct |
7 |
Correct |
436 ms |
32096 KB |
Output is correct |
8 |
Correct |
373 ms |
32084 KB |
Output is correct |
9 |
Correct |
419 ms |
32152 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
388 ms |
32540 KB |
Output is correct |
3 |
Correct |
389 ms |
32172 KB |
Output is correct |
4 |
Correct |
368 ms |
32228 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
43 ms |
4296 KB |
Output is correct |
7 |
Correct |
46 ms |
4336 KB |
Output is correct |
8 |
Correct |
41 ms |
4320 KB |
Output is correct |
9 |
Correct |
43 ms |
4328 KB |
Output is correct |
10 |
Correct |
43 ms |
4256 KB |
Output is correct |
11 |
Correct |
43 ms |
4316 KB |
Output is correct |
12 |
Correct |
38 ms |
4312 KB |
Output is correct |
13 |
Correct |
40 ms |
4376 KB |
Output is correct |
14 |
Correct |
41 ms |
4280 KB |
Output is correct |
15 |
Correct |
47 ms |
4260 KB |
Output is correct |
16 |
Correct |
43 ms |
4272 KB |
Output is correct |
17 |
Correct |
41 ms |
4288 KB |
Output is correct |
18 |
Correct |
378 ms |
32368 KB |
Output is correct |
19 |
Correct |
384 ms |
32428 KB |
Output is correct |
20 |
Correct |
436 ms |
32284 KB |
Output is correct |
21 |
Correct |
39 ms |
4292 KB |
Output is correct |
22 |
Correct |
36 ms |
4296 KB |
Output is correct |
23 |
Correct |
123 ms |
13696 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
46 ms |
4576 KB |
Output is correct |
3 |
Correct |
42 ms |
4512 KB |
Output is correct |
4 |
Correct |
439 ms |
32772 KB |
Output is correct |
5 |
Correct |
39 ms |
4348 KB |
Output is correct |
6 |
Correct |
40 ms |
4316 KB |
Output is correct |
7 |
Correct |
42 ms |
4284 KB |
Output is correct |
8 |
Correct |
43 ms |
4304 KB |
Output is correct |
9 |
Correct |
45 ms |
4288 KB |
Output is correct |
10 |
Correct |
42 ms |
4084 KB |
Output is correct |
11 |
Correct |
42 ms |
3996 KB |
Output is correct |
12 |
Correct |
39 ms |
4040 KB |
Output is correct |
13 |
Correct |
49 ms |
4072 KB |
Output is correct |
14 |
Correct |
410 ms |
32252 KB |
Output is correct |
15 |
Correct |
40 ms |
4076 KB |
Output is correct |
16 |
Correct |
376 ms |
32276 KB |
Output is correct |
17 |
Correct |
413 ms |
32096 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
5 ms |
1108 KB |
Output is correct |
3 |
Correct |
6 ms |
1236 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
328 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
328 KB |
Output is correct |
13 |
Correct |
1 ms |
328 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
328 KB |
Output is correct |
16 |
Correct |
5 ms |
1156 KB |
Output is correct |
17 |
Correct |
43 ms |
4412 KB |
Output is correct |
18 |
Correct |
1 ms |
328 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |