Submission #1100788

#	Time	Username	Problem	Language	Result	Execution time	Memory
1100788		Dan4Life	Wall (IOI14_wall)	C++17	8 / 100	3060 ms	22120 KiB

wall

#include <bits/stdc++.h>
using namespace std;
const int mxN = (int)2e6+10;
const int INF = (int)1e9;
int n, A[mxN], B[mxN];
void buildWall(int N, int k, int o[], int l[], int r[], int h[], int ans[]){
    n = N;
    for(int i = 0; i < n; i++) A[i]=INF,B[i]=-INF;
    for(int i = 0; i < k; i++){
		int a, b;
		if(o[i]==1) a = INF, b = h[i];
		else a = h[i], b = -INF;
		for(int j = l[i]; j <= r[i]; j++){
			A[j] = min(a, max(A[j],b));
			B[j] = max(B[j],b);
		}
	}
    for(int i = 0; i < n; i++) ans[i] = min(A[i],max(ans[i],B[i]));
}

• Subtask 1: 8 / 8
• Subtask 2: 0 / 24
• Subtask 3: 0 / 29
• Subtask 4: 0 / 39