#include <iostream>
#include <algorithm>
#include <utility>
#include <vector>
#include <stack>
#include <map>
#include <queue>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <cstring>
#include <cmath>
#include <functional>
#include <cassert>
#include <iomanip>
#include <numeric>
#include <bitset>
#include <sstream>
#include <chrono>
#include <random>
#define ff first
#define ss second
#define PB push_back
#define sz(x) int(x.size())
#define rsz resize
#define fch(xxx, yyy) for (auto xxx : yyy) // abusive notation
#define all(x) (x).begin(),(x).end()
#define eps 1e-9
// more abusive notation (use at your own risk):
// #define int ll
using namespace std;
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using vi = vector<int>;
using vll = vector<ll>;
// debugging
void __print(int x) {std::cerr << x;}
void __print(ll x) {std::cerr << x;} /* remember to uncomment this when not using THE MACRO */
void __print(unsigned x) {std::cerr << x;}
void __print(ull x) {std::cerr << x;}
void __print(float x) {std::cerr << x;}
void __print(double x) {std::cerr << x;}
void __print(ld x) {std::cerr << x;}
void __print(char x) {std::cerr << '\'' << x << '\'';}
void __print(const char *x) {std::cerr << '\"' << x << '\"';}
void __print(const string& x) {std::cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
template<typename T, typename V> void __print(const pair<T, V> &x) {std::cerr << '{'; __print(x.ff); std::cerr << ", "; __print(x.ss); std::cerr << '}';}
template<typename T> void __print(const T& x) {int f = 0; std::cerr << '{'; for (auto &i: x) std::cerr << (f++ ? ", " : ""), __print(i); std::cerr << "}";}
void _print() {std::cerr << "]\n";}
template <typename T, typename... V> void _print(T t, V... v) {__print(t); if (sizeof...(v)) std::cerr << ", "; _print(v...);}
void println() {std::cerr << ">--------------------<" << endl;}
#ifndef ONLINE_JUDGE
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif
// templates
template <class T> bool ckmin(T &a, const T &b) {return b<a ? a = b, 1 : 0;}
template <class T> bool ckmax(T &a, const T &b) {return b>a ? a = b, 1 : 0;}
template <class T> using gr = greater<T>;
template <class T> using vc = vector<T>;
template <class T> using p_q = priority_queue<T>;
template <class T> using pqg = priority_queue<T, vc<T>, gr<T>>;
template <class T1, class T2> using pr = pair<T1, T2>;
mt19937_64 rng_ll(chrono::steady_clock::now().time_since_epoch().count());
int rng(int M) {return (int)(rng_ll()%M);} /*returns any random number in [0, M) */
// const variables
constexpr int INF = (int)2e9;
constexpr int MOD = 998244353;
constexpr long double EPS = (ld)1e-10, PI = 3.1415926535;
constexpr ll LL_INF = (ll)3e18;
constexpr int mod = (int)1e9 + 7;
constexpr ll inverse = 500000004LL; // inverse of 2 modulo 1e9 + 7
void setIO(const string& str) {// fast input/output
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
if (str.empty()) return;
freopen((str + ".in").c_str(), "r", stdin);
freopen((str + ".out").c_str(), "w", stdout);
}
#include "gap.h"
/*
int n;
vll v;
void MinMax(ll s, ll t, ll* mn, ll* mx) {
//debug(s, t);
auto it = lower_bound(all(v), s);
if (it != v.end() && (*it) <= t) *mn = *it;
else *mn = -1;
auto ti = upper_bound(all(v), t);
if (ti != v.begin() && (*prev(ti)) >= s) *mx = *prev(ti);
else *mx = -1;
//debug(*mn, *mx);
}*/
ll findGap(int T, int N) {
if (T == 2) {
ll mn, mx;
MinMax(0, 1e18, &mn, &mx);
ll range = mx - mn;
ll average = (range + N - 2)/(N - 1);
ll ans = average, l = mn, i, a, b;
for (i = mn; i + average < mx; i += average + 1) {
MinMax(i, i + average, &a, &b);
if (a != -1) {
ckmax(ans, a - l);
l = b;
}
}
MinMax(i, mx, &a, &b);
if (a != -1) {
ckmax(ans, a - l);
}
return ans;
} else {
ll l = 0, r = (ll)1e18;
vc<ll> p;
for (int i = 0; i < (N + 1) / 2; ++i) {
ll mn, mx;
MinMax(l, r, mn, mx);
p.PB(mn);
if (mn != mx) p.PB(mx);
l = mn + 1, r = mx - 1;
}
sort(all(p));
ll ans = 0;
for (int i = 0; i < N - 1; ++i) {
ckmax(ans, p[i+1] - p[i]);
}
return ans;
}
}
/*
signed main() { // TIME YOURSELF !!!
setIO("");
int t;
cin >> t;
cin >> n;
for (int i = 0; i < n; ++i) {
ll x;
cin >> x;
v.PB(x);
}
//debug(v);
cout << findGap(1, n);
}*/
// TLE -> TRY NOT USING DEFINE INT LONG LONG
// CE -> CHECK LINE 45
// 5000 * 5000 size matrices are kinda big (potential mle)
// Do something, start simpler
Compilation message
gap.cpp: In function 'll findGap(int, int)':
gap.cpp:133:26: error: invalid conversion from 'll' {aka 'long long int'} to 'long long int*' [-fpermissive]
133 | MinMax(l, r, mn, mx);
| ^~
| |
| ll {aka long long int}
In file included from gap.cpp:93:
gap.h:1:35: note: initializing argument 3 of 'void MinMax(long long int, long long int, long long int*, long long int*)'
1 | void MinMax(long long, long long, long long*, long long*);
| ^~~~~~~~~~
gap.cpp:133:30: error: invalid conversion from 'll' {aka 'long long int'} to 'long long int*' [-fpermissive]
133 | MinMax(l, r, mn, mx);
| ^~
| |
| ll {aka long long int}
In file included from gap.cpp:93:
gap.h:1:47: note: initializing argument 4 of 'void MinMax(long long int, long long int, long long int*, long long int*)'
1 | void MinMax(long long, long long, long long*, long long*);
| ^~~~~~~~~~
gap.cpp: In function 'void setIO(const string&)':
gap.cpp:89:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
89 | freopen((str + ".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gap.cpp:90:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
90 | freopen((str + ".out").c_str(), "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
