Submission #1099536

#	Time	Username	Problem	Language	Result	Execution time	Memory
1099536		KasymK	Gap (APIO16_gap)	C++17	Compilation error	0 ms	0 KiB

gap

#include "bits/stdc++.h"
#include "gap.h"
using namespace std;
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
#define ll long long
#define pb push_back
#define pii pair<int, int>
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
const int MOD = 1e9+7;
const int N = 1e5+5;
ll a[N];
 
ll findGap(int t, int n){
	if(t == 1){
		ll l = 0, r = 1e18, id = 0, mn, mx, ans = 0;
        for(int i = 0; i < (n+1)/2; ++i){
            MinMax(l, r, &mn, &mx);
            a[id++] = mn, a[id++] = mx, l = mn+1, r = mx-1;
        }
        sort(a, a+n);
        for(int i = 0; i < n-1; ++i)
        	umax(ans, a[i+1]-a[i]);
        return ans;
    }
  ll s, t;
	MinMax(0, LLONG_MAX, &s, &t);	//n + 1
 
	ll d = (t - s + n) / (n - 1), mx = 0, a = s;
	while (s + 1 < t) {
		ll x, y;
		MinMax(s + 1, min(s + d, t - 1), &x, &y);
 
		if (x != -1) {
			mx = max(mx, x - a); a = y;
		}
 
		s += d;
	}
 
	return max(mx, t - a);
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:28:9: error: declaration of 'long long int t' shadows a parameter
   28 |   ll s, t;
      |         ^
gap.cpp:16:16: note: 'int t' previously declared here
   16 | ll findGap(int t, int n){
      |            ~~~~^