제출 #289140

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
289140		stoyan_malinin	Wall (IOI14_wall)	C++14	8 / 100	3088 ms	14004 KiB

wall

#include "wall.h"
//#include "grader.cpp"

#include <vector>
#include <iostream>

const int MAXN = 1e5 + 5;

struct Range
{
    int l, r;

    Range(){}
    Range(int l, int r)
    {
        this->l = l;
        this->r = r;
    }

    int f(int x)
    {
        if(x<=l) return l;
        if(x>=r) return r;
        return x;
    }
};

Range Merge(Range first, Range second)
{
    if(second.l>=first.r) return Range(second.l, second.l);
    if(second.r<=first.l) return Range(second.r, second.r);
    if(second.l<=first.l && first.r<=second.r) return Range(first.l, first.r);
    if(first.l<=second.l && second.r<=first.r) return Range(second.l, second.r);
    if(first.l<=second.l && first.r<=second.r && second.l<=first.r) return Range(second.l, first.r);
    if(second.l<=first.l && second.r<=first.r && first.l<=second.r) return Range(first.l, second.r);
}

void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[])
{
    for(int ind = 0;ind<n;ind++)
    {
        Range ans = Range(0, MAXN);
        for(int i = 0;i<k;i++)
        {
            if(ind<left[i] || ind>right[i]) continue;

            if(op[i]==1) ans = Merge(ans, Range(height[i], MAXN));
            else ans = Merge(ans, Range(0, height[i]));
        }

        finalHeight[ind] = ans.f(0);
    }
}

컴파일 시 표준 에러 (stderr) 메시지

wall.cpp: In function 'Range Merge(Range, Range)':
wall.cpp:36:1: warning: control reaches end of non-void function [-Wreturn-type]
   36 | }
      | ^

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