Submission #1082969

# Submission time Handle Problem Language Result Execution time Memory
1082969 2024-09-02T09:08:18 Z n1k Wall (IOI14_wall) C++17
0 / 100
3000 ms 23932 KB
#include "wall.h"
#include <bits/stdc++.h>

using namespace std;

using ll = long long;

void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
	vector<array<int, 3>> v;
	for(int i=0; i<k; i++){
		v.push_back({left[i], i, 0});
		v.push_back({right[i]+1, i, 1});
	}
	sort(v.begin(), v.end());
	reverse(v.begin(), v.end());

	vector<int> hu(k, -1), ho(k, -1);
	for(int i=0; i<n; i++){
		while(v.back()[0]<=i){
			auto [b, id, tp]=v.back();
			v.pop_back();
			if(tp==0){
				if(op[id]==1){
					hu[id]=height[id];
				}else{
					ho[id]=height[id];
				}
			}else{
				if(op[id]==1){
					hu[id]=-1;
				}else{
					ho[id]=-1;
				} 
			}
		}
		int o = 1e9, u = -1;
		bool bd = 1;
		for(int j=k-1; j>=0; j--){
			if(hu[j]!=-1){
				u = max(u, hu[j]);
			}if(ho[j]!=-1){
				o = min(o, ho[j]);
			}
			// >= ?
			if(u>o){
				if(u==hu[j]){
					finalHeight[i]=o;
					bd=0;
					break;
				}else if(o==ho[j]){
					finalHeight[i]=u;
					bd=0;
					break;
				}else{
					while(1);
				}
			}
		}
		if(bd){
			finalHeight[i]=max(0, u);
		}
	}
	return;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 5 ms 800 KB Output is correct
5 Correct 36 ms 800 KB Output is correct
6 Runtime error 36 ms 1064 KB Execution killed with signal 11
7 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 171 ms 23716 KB Output is correct
3 Correct 1169 ms 10020 KB Output is correct
4 Execution timed out 3043 ms 23932 KB Time limit exceeded
5 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 3 ms 796 KB Output is correct
5 Correct 38 ms 800 KB Output is correct
6 Runtime error 35 ms 1044 KB Execution killed with signal 11
7 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 3 ms 800 KB Output is correct
5 Correct 47 ms 800 KB Output is correct
6 Runtime error 36 ms 1044 KB Execution killed with signal 11
7 Halted 0 ms 0 KB -