oj.uz

Submission #1013001

# Submission time Handle Problem Language Result Execution time Memory
1013001 2024-07-03T04:41:59 Z Nurislam Triple Jump (JOI19_jumps) C++17
0 / 100
 14 ms 2908 KB 
#include <bits/stdc++.h>

using namespace std;

#define all(x) x.begin(), x.end()
#define ar array
#define pb push_back
#define int long long

const int N = 6000;
int sp[25][N], ans[N][N];

int get(int l, int r){
	int bt = __lg(r-l);
	return max(sp[bt][l], sp[bt][r-(1<<bt)+1]);
};

void solve(){
	int n, q;
	cin >> n;
	for(int i = 1; i <= n; i++){
		cin >> sp[0][i];
	}
	
	cin >> q;
	vector<pair<int,int> > qu(q);
	
	for(auto&[l,r]:qu)cin >> l >> r;
	
	for(int i = 1; i < 24; i++){
		int len = (1 << (i-1));
		for(int j = 1; j <= n; j++){
			sp[i][j] = max(sp[i-1][j], sp[i-1][min(n,j+len)]);
		}
	}
	//for(int i = 0; i <= n; i++){
		//for(int j = 0; j <= n; j++){
			//ans[i][j] = 0;
		//}
	//}
	//for(int i = 1; i <= n; i++){
		//for(int j = i+2; j <= n; j++){
			//int mid = i + ((j-i) >> 1);
			//ans[i][j] = sp[0][i] + sp[0][j] + get(i+1, mid);
			//ans[i][j] = max(ans[i][j], ans[i][j-1]);
		//}
	//}
	//for(int j = n; j > 0; j--){
		//for(int i = j-1; i > 0; i--){
			//ans[i][j] = max(ans[i][j], ans[i+1][j]);
		//}
	//}
	//for(auto [l, r] :qu)cout << ans[l][r] << '\n';
	for(auto [l, r] :qu){
		int cur = 0;
		for(int i = l; i < r; i++){
			for(int j = i+2; j <= r; j++){
				int mid = i + ((j-i) >> 1);
				cur = max(cur, sp[0][i] + sp[0][j] + get(i+1, mid));
			}
		}
		cout << cur << '\n';
	}
	
		
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int t = 1; 
    //cin >> t;
    while ( t-- )solve();
    cout << '\n';
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 604 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 604 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Runtime error 14 ms 2908 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 54.0

# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 604 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -