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Submission #834069

# Submission time Handle Problem Language Result Execution time Memory
834069 2023-08-22T10:31:52 Z Antekb Strange Device (APIO19_strange_device) C++17
10 / 100
 1687 ms 524288 KB 
#include<bits/stdc++.h>
#define st first
#define nd second
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define eb emplace_back
#define pp pop_back
#define mp make_pair
using namespace std;
using pii = pair<int, int>;
using ll = long long;
using vi = vector<int>;
using vii = vector<pii>;
void debug(){cerr<<"\n";}
template<typename H, typename... T>
void debug(H h, T... t){
	cerr<<h;
	if(sizeof...(t)){
		cerr<<", ";
	}
	debug(t...);
}
#define deb(x...) cerr<<#x<<" = ";debug(x);

mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());

int main(){
	int n;
	ll a, b;
	cin>>n>>a>>b;
	if(b>=ll(1e18)/(a/gcd(a, b+1))){
		ll s=0;
		for(int i=0; i<n; i++){
			ll l, r;
			cin>>l>>r;
			s+=r-l+1;
		}
		cout<<s;
		return 0;
	}
	ll t=b*(a/__gcd(a, b+1));
	vector<ll> V;
	for(int i=0; i<n; i++){
		ll l, r;
		cin>>l>>r;
		for(ll j=l; j<=r; j++){
			V.pb(j%t);
		}
	}
	sort(all(V));
	V.resize(unique(all(V))-V.begin());
	cout<<V.size();
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 16 ms 2760 KB Output is correct
3 Correct 30 ms 4864 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 3 ms 848 KB Output is correct
10 Correct 0 ms 304 KB Output is correct
11 Correct 1 ms 308 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 212 KB Output is correct
15 Correct 16 ms 4480 KB Output is correct
16 Correct 22 ms 1740 KB Output is correct
17 Correct 97 ms 4880 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Runtime error 434 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 34 ms 8640 KB Output is correct
3 Correct 35 ms 8584 KB Output is correct
4 Correct 32 ms 8656 KB Output is correct
5 Runtime error 436 ms 524288 KB Execution killed with signal 9
6 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 308 KB Output is correct
2 Correct 958 ms 45400 KB Output is correct
3 Runtime error 534 ms 524288 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 308 KB Output is correct
2 Correct 958 ms 45400 KB Output is correct
3 Runtime error 534 ms 524288 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 308 KB Output is correct
2 Correct 958 ms 45400 KB Output is correct
3 Runtime error 534 ms 524288 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1687 ms 263816 KB Output is correct
3 Runtime error 515 ms 524288 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 16 ms 2760 KB Output is correct
3 Correct 30 ms 4864 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 3 ms 848 KB Output is correct
10 Correct 0 ms 304 KB Output is correct
11 Correct 1 ms 308 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 212 KB Output is correct
15 Correct 16 ms 4480 KB Output is correct
16 Correct 22 ms 1740 KB Output is correct
17 Correct 97 ms 4880 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Runtime error 434 ms 524288 KB Execution killed with signal 9
21 Halted 0 ms 0 KB -