#include "gap.h"
#include<bits/stdc++.h>
using namespace std;
#define eb emplace_back
#define int long long
constexpr int sz = 1e5 + 5;
constexpr int inf = (int)1E18;
int a[sz];
int findGap(int T, int N){
memset(a, -1, sizeof(a));
int mn, mx;
MinMax(0ll, (int)1E18, &mn, &mx);
a[1] = mn, a[N] = mx;
for(register int i = 2; i <= N/2 + (N & 1); ++i){
int l = a[i-1], r = a[N - i + 1];
MinMax(l+1, r-1, &mn, &mx); // called by reference
a[i] = mn, a[N - i + 1] = mx;
}
int ans = -inf;
for(register int i = 2; i <= N; ++i){
ans = min(ans, a[i] - a[i-1]);
}
return ans;
}
Compilation message
gap.cpp: In function 'long long int findGap(long long int, long long int)':
gap.cpp:22:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
22 | for(register int i = 2; i <= N/2 + (N & 1); ++i){
| ^
gap.cpp:35:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
35 | for(register int i = 2; i <= N; ++i){
| ^
/usr/bin/ld: /tmp/cc4hORNr.o: in function `main':
grader.cpp:(.text.startup+0x1b7): undefined reference to `findGap(int, int)'
collect2: error: ld returned 1 exit status
