oj.uz

Submission #919168

# Submission time Handle Problem Language Result Execution time Memory
919168 2024-01-31T12:05:56 Z TIN Baloni (COCI15_baloni) C++17
100 / 100
 48 ms 7760 KB 
#include <bits/stdc++.h>

using namespace std;

#define FNAME "test"

const int N = 1e6 + 5;

int n;
int h[N];
int p[N];
int res = 0;

void Task() {
	ios_base::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	cout << fixed << setprecision(9);
	if (fopen(FNAME".inp","r")) {
		freopen(FNAME".inp","r",stdin);
		freopen(FNAME".out","w",stdout);
	}
}

void Solve() {
	//Your Code
	cin >> n;
	for (int i = 1; i <= n; i++) cin >> h[i];
	memset(p, 0, sizeof(p));
	for (int i = 1; i <= n; i++) {
		if (p[h[i] + 1] > 0) p[h[i] + 1]--;
		else res++;
		p[h[i]]++;
	}
	cout << res << '\n';
}

int main() {
	Task();
	Solve();
	cerr << "\nTime run: " << 1000*clock()/CLOCKS_PER_SEC << "ms";
	return 37^37;
}

Compilation message

baloni.cpp: In function 'void Task()':
baloni.cpp:19:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |   freopen(FNAME".inp","r",stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
baloni.cpp:20:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |   freopen(FNAME".out","w",stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4696 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 1 ms 4696 KB Output is correct
4 Correct 1 ms 4696 KB Output is correct
5 Correct 43 ms 7248 KB Output is correct
6 Correct 48 ms 7760 KB Output is correct
7 Correct 36 ms 6992 KB Output is correct
8 Correct 39 ms 6992 KB Output is correct
9 Correct 42 ms 7372 KB Output is correct
10 Correct 42 ms 7248 KB Output is correct