Submission #554164

#	Time	Username	Problem	Language	Result	Execution time	Memory
554164		QwertyPi	Gap (APIO16_gap)	C++14	70 / 100	95 ms	5744 KiB

gap

#include "gap.h"
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
long long findGap(int T, int N)
{
	ll L, R;
	MinMax(0, 1e18, &L, &R);
	ll tg = 1 + (R - L - 1) / (N - 1);
	set<ll> a; a.insert(L); a.insert(R);
	for(ll i = L + 1; i < R; i += tg){
		ll ll, rr;
		MinMax(i, min(R - 1, i + tg - 1), &ll, &rr);
		if(ll != -1) a.insert(ll); if(rr != -1) a.insert(rr);
	}
	ll ans = 0;
	for(auto it = a.begin(); it != a.end(); it++){
		if(next(it) != a.begin()) ans = max(ans, *next(it) - *it);
	}
	return ans;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:14:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   14 |   if(ll != -1) a.insert(ll); if(rr != -1) a.insert(rr);
      |   ^~
gap.cpp:14:30: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   14 |   if(ll != -1) a.insert(ll); if(rr != -1) a.insert(rr);
      |                              ^~

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