제출 #581420

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
581420		kamelfanger83	벽 (IOI14_wall)	C++14	0 / 100	1 ms	260 KiB

wall

#include <iostream>
#include <vector>
#include "wall.h"
#include <set>

using namespace std;

void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
    if(n <= 10000 && k <= 5000){
        vector<int> heightl (n, 0);
        for(int update = 0; update < k; update++){
            for(int setter = left[update]; setter <= right[update]; setter++){
                if(op[update] == 1) heightl[setter] = max(heightl[setter], height[update]);
                else heightl[setter] = min(heightl[setter], height[update]);
            }
        }
        for(int finisher = 0; finisher < n; finisher++) finalHeight[finisher] = heightl[finisher];
    }
    vector<vector<int>> adds (n);
    vector<vector<int>> adde (n+1);
    vector<vector<int>> subs (n);
    vector<vector<int>> sube (n+1);
    for(int update = 0; update < k; update++){
        if(op[update] == 1){
            adds[left[update]].push_back(height[update]);
            adde[right[update]+1].push_back(height[update]);
        }
        else{
            subs[left[update]].push_back(height[update]);
            sube[right[update]+1].push_back(height[update]);
        }
    }

    vector<int> mad (n, 0);
    multiset<int, greater<>> b;
    for(int madder = 0; madder < n; madder++){
        for(int ins : adds[madder]) b.insert(ins);
        for(int rm : adde[madder]) b.erase(rm);
        mad[madder] = *(b.begin());
    }

    vector<int> msu (n, 0);
    multiset<int> s;
    for(int madder = 0; madder < n; madder++){
        for(int ins : subs[madder]) s.insert(ins);
        for(int rm : sube[madder]) s.erase(rm);
        msu[madder] = *(s.begin());
    }    
    for(int finisher = 0; finisher < n; finisher++) finalHeight[finisher] = min(mad[finisher], msu[finisher]);
}

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