oj.uz

Submission #111781

# Submission time Handle Problem Language Result Execution time Memory
111781 2019-05-16T07:04:10 Z mechfrog88 Two Antennas (JOI19_antennas) C++14
0 / 100
 395 ms 525312 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
using namespace std;
typedef long long ll;
typedef long double ld;

struct tower{
	ll h;
	ll a,b;
};

int main(){
	ios_base::sync_with_stdio(false); 
	cin.tie(NULL);
	ll n;
	cin >> n;
	vector <tower> arr(n+1);
	vector <vector<ll>> d(n+1,vector<ll>(n+1,-1));
	for (int z=0;z<n;z++){
		tower temp;
		cin >> temp.h >> temp.a >> temp.b;
		arr[z+1] = temp;
	}
	for (int x=1;x<=n;x++){
		ll ans = -1;
		for (int y=x+arr[x].a ; y<=n && y <= x+arr[x].b;y++){
			if ( y <= x + arr[x].b && y >= x + arr[x].a &&
				 x >= y - arr[y].b && x <= y - arr[y].a)
				ans = max(ans,abs(arr[x].h-arr[y].h));
			d[x][y] = ans;
		}
	}
	for (int x=n;x>-1;x--){
		for (int y=n-1;y>-1;y--){
			d[y][x] = max(d[y][x],d[y+1][x]);
		}
	}
	// for (int z=1;z<=n;z++){
	// 	for (int x=1;x<=n;x++){
	// 		cout << d[z][x] << ",";
	// 	}
	// 	cout << endl;
	// }
	ll q;
	cin >> q;
	for (int z=0;z<q;z++){
		ll a,b;
		cin >> a >> b;
		cout << d[a][b] << endl;
	}
	cin >> q;
}

Subtask #1
0 / 2.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 512 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 512 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Runtime error 395 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 65.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 512 KB Output isn't correct
2 Halted 0 ms 0 KB -