oj.uz

Submission #981392

# Submission time Handle Problem Language Result Execution time Memory
981392 2024-05-13T06:51:28 Z Amaarsaa Strange Device (APIO19_strange_device) C++14
40 / 100
 351 ms 30976 KB 
#include<bits/stdc++.h>

using namespace std;
using ll = long long ;
int main() {
//	freopen("moocast.in", "r", stdin);
//	freopen("moocast.out", "w", stdout);
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	ll t, n, m, ans,l, a, b, s, lo, hi, mid, sum, x, y, r, p, i, j;

	cin >> n >> a >> b; 
	s = __gcd(b + 1, a);
	s = a / s;
	p = 1e18/s;
	if ( p <= s) {
		 s= 0;
		for (i = 1; i <= n; i ++) {
			cin >> x >> y;
			s += (y -x + 1);
		}		
		cout << s<< endl;
		return 0;
	}
	s = s * b;
	ans = 0;
	map < ll, ll > A;
	vector < pair <ll,ll > > v;
	for (i = 1; i <= n; i ++) {
		cin >> x >> y;
		if ( x / s == y / s) {
			v.push_back({x%s, y%s});
		}
		else {
			if ( x / s + 1 == y / s) {
				v.push_back({x%s, s - 1});
				v.push_back({0, y%s});
			} 
			else {
				cout << s << endl;
				return 0;
			}
		}	
		
	}
	sort(v.begin(), v.end());
	ll mx = -1;
	for (i = 0; i < v.size(); i ++) {
		if ( v[i].first <= mx) {
			ans += max(0ll, v[i].second - mx);
		}
		else ans += (v[i].second - v[i].first + 1);
		mx =max(mx, v[i].second);
	}
	cout << ans << endl;
}

Compilation message

strange_device.cpp: In function 'int main()':
strange_device.cpp:48:16: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |  for (i = 0; i < v.size(); i ++) {
      |              ~~^~~~~~~~~~
strange_device.cpp:10:5: warning: unused variable 't' [-Wunused-variable]
   10 |  ll t, n, m, ans,l, a, b, s, lo, hi, mid, sum, x, y, r, p, i, j;
      |     ^
strange_device.cpp:10:11: warning: unused variable 'm' [-Wunused-variable]
   10 |  ll t, n, m, ans,l, a, b, s, lo, hi, mid, sum, x, y, r, p, i, j;
      |           ^
strange_device.cpp:10:18: warning: unused variable 'l' [-Wunused-variable]
   10 |  ll t, n, m, ans,l, a, b, s, lo, hi, mid, sum, x, y, r, p, i, j;
      |                  ^
strange_device.cpp:10:30: warning: unused variable 'lo' [-Wunused-variable]
   10 |  ll t, n, m, ans,l, a, b, s, lo, hi, mid, sum, x, y, r, p, i, j;
      |                              ^~
strange_device.cpp:10:34: warning: unused variable 'hi' [-Wunused-variable]
   10 |  ll t, n, m, ans,l, a, b, s, lo, hi, mid, sum, x, y, r, p, i, j;
      |                                  ^~
strange_device.cpp:10:38: warning: unused variable 'mid' [-Wunused-variable]
   10 |  ll t, n, m, ans,l, a, b, s, lo, hi, mid, sum, x, y, r, p, i, j;
      |                                      ^~~
strange_device.cpp:10:43: warning: unused variable 'sum' [-Wunused-variable]
   10 |  ll t, n, m, ans,l, a, b, s, lo, hi, mid, sum, x, y, r, p, i, j;
      |                                           ^~~
strange_device.cpp:10:54: warning: unused variable 'r' [-Wunused-variable]
   10 |  ll t, n, m, ans,l, a, b, s, lo, hi, mid, sum, x, y, r, p, i, j;
      |                                                      ^
strange_device.cpp:10:63: warning: unused variable 'j' [-Wunused-variable]
   10 |  ll t, n, m, ans,l, a, b, s, lo, hi, mid, sum, x, y, r, p, i, j;
      |                                                               ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 3 ms 1096 KB Output is correct
3 Correct 4 ms 1100 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 4 ms 1112 KB Output is correct
17 Correct 33 ms 4476 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 464 KB Output is correct
5 Correct 209 ms 30976 KB Output is correct

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 313 ms 18516 KB Output is correct
3 Incorrect 219 ms 344 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 313 ms 18516 KB Output is correct
3 Incorrect 219 ms 344 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 313 ms 18516 KB Output is correct
3 Incorrect 219 ms 344 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 31 ms 2572 KB Output is correct
3 Correct 34 ms 2516 KB Output is correct
4 Correct 351 ms 18772 KB Output is correct
5 Correct 30 ms 2516 KB Output is correct
6 Correct 31 ms 2520 KB Output is correct
7 Correct 31 ms 2520 KB Output is correct
8 Correct 32 ms 2520 KB Output is correct
9 Correct 30 ms 2520 KB Output is correct
10 Correct 31 ms 2552 KB Output is correct
11 Correct 31 ms 2520 KB Output is correct
12 Correct 27 ms 2620 KB Output is correct
13 Correct 32 ms 2520 KB Output is correct
14 Correct 313 ms 19076 KB Output is correct
15 Correct 32 ms 2508 KB Output is correct
16 Correct 305 ms 17316 KB Output is correct
17 Correct 296 ms 18424 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 3 ms 1096 KB Output is correct
3 Correct 4 ms 1100 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 4 ms 1112 KB Output is correct
17 Correct 33 ms 4476 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 464 KB Output is correct
28 Correct 209 ms 30976 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 313 ms 18516 KB Output is correct
31 Incorrect 219 ms 344 KB Output isn't correct
32 Halted 0 ms 0 KB -