Submission #110340

#	Time	Username	Problem	Language	Result	Execution time	Memory
110340		Vardanyan	Gap (APIO16_gap)	C++14	0 / 100	1630 ms	2808 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
/*void MinMax(long long x,long long y,long long *z, long long *k){
    long long a,b;
    cout<<x<<" "<<y<<endl;
    cin>>a>>b;
    *z = a;
    *k = b;
}*/
long long findGap(int T, int N)
{
    long long s = 0;
    long long t = 1000000000000000000;
    long long nax;
    long long as = 0;
    for(int i = 0;i<N;i++){
        long long l = s;
        long long r = t;
        long long ans;
        while(l<=r){
            long long mid = (l+r)/2;
            long long mn,mx;
            MinMax(l,mid,&mn,&mx);
            if(mn!=-1 && mx!=-1){
                r = mid-1;
                ans = mid;
            }
            else{
                l = mid+1;
            }
        }
        if(i){
            as = max(as,ans-nax);
        }
        nax = ans;
        s = ans+1;
    }
	return as;
}

/*int main()
{
    ios_base::sync_with_stdio(false);
    findGap(1,4);
    return 0;
}*/

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:34:28: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
             as = max(as,ans-nax);
                         ~~~^~~~

• Subtask 1: 0 / 30
• Subtask 2: 0 / 70