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Submission #1118940

# Submission time Handle Problem Language Result Execution time Memory
1118940 2024-11-26T12:20:56 Z vjudge1 Strange Device (APIO19_strange_device) C++17
10 / 100
 5000 ms 524288 KB 
#include <bits/stdc++.h>
#pragma optimize("g", on)
#pragma GCC optimize ("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")
void Freopen () {
    #ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    #endif
}
using namespace std;
#define fi first
#define se second
#define int long long
const int N = 3e5 + 7;

void solve() {
	int n, A, B;
	cin>>n>>A>>B;
	// for(int i = 1; i <= n; i++) {
	// 	cout << (i + (i / B)) % A << ' ' << i % B << '\n';
	// }
	// return;
	if(n == 1) {
		int l, r;
		cin>>l>>r;
		if(log(A) + log(B) > 18)cout << r - l + 1;
		else cout << min(A * B, r - l + 1);
		return;
	}
	map<pair<int, int>, int> mp;
	int cnt = 0;
	for(int i = 1; i <= n; i++) {
		int l, r;
		cin>>l>>r;
		for(int j = l; j <= r; j++) {
			int x = (j + (j / B)) % A, y = j % B;
			if(!mp[{x, y}])cnt ++, mp[{x, y}] = 1;
		}
	}
	cout << cnt << '\n';
}
signed main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	//Freopen();
	int T = 1;
	// cin>>T;
	while(T --)solve();
}

Compilation message

strange_device.cpp:2: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    2 | #pragma optimize("g", on)
      | 
strange_device.cpp: In function 'void Freopen()':
strange_device.cpp:10:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |     freopen("input.txt", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
strange_device.cpp:11:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     freopen("output.txt", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 49 ms 12300 KB Output is correct
3 Correct 80 ms 17992 KB Output is correct
4 Correct 3 ms 848 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 632 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 6 ms 1360 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 38 ms 6992 KB Output is correct
16 Correct 35 ms 6732 KB Output is correct
17 Correct 49 ms 6632 KB Output is correct
18 Correct 1 ms 336 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Incorrect 1 ms 336 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 147 ms 32332 KB Output is correct
3 Correct 175 ms 32072 KB Output is correct
4 Correct 111 ms 30536 KB Output is correct
5 Execution timed out 5059 ms 62536 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 448 ms 62908 KB Output is correct
3 Runtime error 2351 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 1 ms 336 KB Output is correct
2 Correct 448 ms 62908 KB Output is correct
3 Runtime error 2351 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 1 ms 336 KB Output is correct
2 Correct 448 ms 62908 KB Output is correct
3 Runtime error 2351 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 336 KB Output is correct
2 Runtime error 1815 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 49 ms 12300 KB Output is correct
3 Correct 80 ms 17992 KB Output is correct
4 Correct 3 ms 848 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 632 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 6 ms 1360 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 38 ms 6992 KB Output is correct
16 Correct 35 ms 6732 KB Output is correct
17 Correct 49 ms 6632 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 504 KB Output is correct
20 Incorrect 1 ms 336 KB Output isn't correct
21 Halted 0 ms 0 KB -