Submission #289139

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
289139	2020-09-02T12:05:37 Z	stoyan_malinin	Wall (IOI14_wall)	C++14	Compilation error	0 ms	0 KB

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);
    }
}

Compilation message

wall.cpp: In function 'Range Merge(Range, Range)':
wall.cpp:36:1: warning: control reaches end of non-void function [-Wreturn-type]
   36 | }
      | ^
/tmp/ccmsf4EX.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccexb4S9.o:wall.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status