Submission #882298

#	Time	Username	Problem	Language	Result	Execution time	Memory
882298		ono_de206	Gap (APIO16_gap)	C++14	0 / 100	16 ms	3024 KiB

gap

#include "gap.h"
#include<bits/stdc++.h>
using namespace std;

#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second

// #define int long long

typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;

long long findGap(int T, int N) {
	long long *qn, *qx;

	auto ask = [&](long long l, long long r) -> void {
		MinMax(l, r, qn, qx);
	};

	long long sus1 = 0, sus2 = (long long)1e18;

	ask(sus1, sus2);

	long long mn = *qn, mx = *qx, ans = 0;
	long long d = (mx - mn) / N;
	long long ls = mn, l = mn + 1;
	while(l <= mx) {
		long long r = l + d - 1;
		ask(l, r);
		if(*qn != -1) {
			ans = max(ans, *qn - ls);
			ls = *qx;
		}
		l = r + 1;
	}
	return ans;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:25:9: warning: 'qn' is used uninitialized in this function [-Wuninitialized]
   25 |   MinMax(l, r, qn, qx);
      |   ~~~~~~^~~~~~~~~~~~~~
gap.cpp:25:9: warning: 'qx' is used uninitialized in this function [-Wuninitialized]

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