oj.uz

Submission #676993

# Submission time Handle Problem Language Result Execution time Memory
676993 2023-01-02T03:03:00 Z penguin133 Collecting Stamps 3 (JOI20_ho_t3) C++17
0 / 100
 1 ms 324 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif

int n, l, A[205], B[205];

int mx = 0;

void solve(){
	cin >> n >> l;
	for(int i=1;i<=n;i++)cin >> A[i];
	for(int i=1;i<=n;i++)cin >> B[i];
	int cur = 0;
	for(int i=1;i<=n;i++){
		if(B[i] >= A[i])cur++;
	}
	mx = max(mx, cur);
	cur = 0;
	for(int i=n;i>=1;i--){
		if(B[i] >= l - A[i])cur++;
	}
	mx = max(mx, cur);
	cur = 0;
	for(int i=1;i<=n;i++){
		if(B[i] >= A[i])cur++;
		int t = 2 * A[i];
		int cur2 = 0;
		for(int j=n;j>i;j--){
			if(B[j] >= l - A[j] + t)cur2++;
		}
		mx = max(mx, cur + cur2);
	}
	cur = 0;
	for(int i=n;i>=1;i--){
		int cur2 = 0;
		if(B[i] >= l - A[i])cur++;
		int t = 2 * (l - A[i]);
		for(int j=1;j<i;j++){
			if(B[j] >= A[j] + t)cur2++;
		}
		mx = max(mx, cur + cur2);
	}
	cout << mx;
}

main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int tc = 1;
	//cin >> tc;
	for(int tc1=1;tc1<=tc;tc1++){
		// cout << "Case #" << tc1 << ": ";
		solve();
	}
}

Compilation message

ho_t3.cpp:54:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   54 | main(){
      | ^~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 324 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 324 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 324 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 324 KB Output isn't correct
3 Halted 0 ms 0 KB -