제출 #414966

#제출 시각아이디문제언어결과실행 시간메모리
414966LouayFarah벽 (IOI14_wall)C++14
8 / 100
3090 ms8076 KiB
#include "bits/stdc++.h" #include "wall.h" using namespace std; void bruteforce(int l, int r, int h, int c, int finalHeight[]) { for(int i = l; i<=r; i++) { if(c==1) { if(finalHeight[i]<h) finalHeight[i] = h; } else { if(finalHeight[i]>h) finalHeight[i] = h; } } } void dc(int l, int r, int h, int c, int finalHeight[]) { if(r-l<=5) { bruteforce(l, r, h, c, finalHeight); return; } int mid = (l+r)/2; dc(l, mid-1, h, c, finalHeight); dc(mid, r, h, c, finalHeight); } void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]) { for(int i = 0; i<n; i++) finalHeight[i] = 0; int c, l, r, h; for(int q = 0; q<k; q++) { c = op[q]; l = left[q]; r = right[q]; h = height[q]; dc(l, r, h, c, finalHeight); } }
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