Submission #624439

#	Time	Username	Problem	Language	Result	Execution time	Memory
624439		socpite	Gap (APIO16_gap)	C++14	48.54 / 100	62 ms	3220 KiB

gap

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

#define f first
#define s second

typedef long long ll;

ll ans = 0;

int n;

void solve(ll l, ll r){
    if(r-l <= ans)return;
    //cout << l << " " << r << endl;
    ll dist = (r-l+n)/n;
    vector<pair<ll, ll>> A;
    for(ll i = l;  i <= r; i+=dist){
        pair<ll, ll> tmp;
        MinMax(i, min(i+dist-1, r), &tmp.f, &tmp.s);
        if(tmp.s > 0){
            A.push_back(tmp);
        }
    }
    for(int i = 1; i < A.size(); i++){
        if(A[i-1].f != -1 && A[i].f != -1)ans = max(ans, A[i].f - A[i-1].s);
    }
    for(auto v: A)solve(v.f, v.s);
}

long long findGap(int T, int N)
{
    n = N;
    solve(0, 1e18);
    return ans;
}

Compilation message (stderr)

gap.cpp: In function 'void solve(ll, ll)':
gap.cpp:26:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     for(int i = 1; i < A.size(); i++){
      |                    ~~^~~~~~~~~~

• Subtask 1: 0 / 30
• Subtask 2: 48.5410196625 / 70