Submission #38771

#	Time	Username	Problem	Language	Result	Execution time	Memory
38771		oTTo_22	Gap (APIO16_gap)	C++14	Compilation error	0 ms	0 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
#define se second
#define fi first
using namespace std;

long long ans;
long double bb;

void func (long long L,long long R)
{
    long long mi1,ma1,mi2,ma2;
    long long mid=(L+R)/2;
    MinMax(L,mid,&mi1,&ma1);
    MinMax(mid,R,&mi2,&ma2);
    if (ma1==-1 && mi2==-1) {
        ans=max(ans,R-L);
        return;
    }
    if (ma1==-1) {
        ans=max(ans,mi2-L);
        return;
    }
    if (mi2==-1) {
        ans=max(ans,R-ma1);
        return;
    }
    if (ma1==L && mi2==R){
        ans=max(ans,R-L);
        return;
    }
    if (R-L==1){
        ans=max(ans,R-L);
        return;
    }
    if (ma1-L>ans && ma1-L>=bb)
        func(L,ma1);
    if (R-mi2>ans && R-mi2>=bb)
        func(mi2,R);
    if (mi2-ma1>ans && mi2-ma1>=bb)
        func (ma1,mi2);
}

long long findGap(int T, int N)
{
    long long m=(long long)N;
    long long Mn,Mx;
    long long S=0;
    long long TT=1000000000000000000;
    MinMax(S,TT,&Mn,&Mx);
    if (m==2)
        return Mx-Mn;
    bb=((Mx-Mn)*1.0)/((m-1)*1.0);
    ans=0;
    if (T==2) {
        func (Mn,Mx);
        return ans;
    }
    else {
        for (int i=1;i<(N+1)/2;i++){
			long long mmn, mmx;
			MinMax(mn+1,mx-1,&mmn,&mmx);
			ans=max(ans,mmn-mn);
			ans=max(ans,mx-mmx);
			mn=mmn;
			mx=mmx;
		}
		ans=max(ans,mx-mn);
		return ans;
    }
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:62:11: error: 'mn' was not declared in this scope
    MinMax(mn+1,mx-1,&mmn,&mmx);
           ^
gap.cpp:62:16: error: 'mx' was not declared in this scope
    MinMax(mn+1,mx-1,&mmn,&mmx);
                ^
gap.cpp:68:15: error: 'mx' was not declared in this scope
   ans=max(ans,mx-mn);
               ^
gap.cpp:68:18: error: 'mn' was not declared in this scope
   ans=max(ans,mx-mn);
                  ^