Submission #535479

#	Time	Username	Problem	Language	Result	Execution time	Memory
535479		byunjaewoo	Gap (APIO16_gap)	C++17	0 / 100	61 ms	2756 KiB

gap

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

ll findGap(int T, int N) {
    ll s, e, res=0;
    MinMax(0, (ll)1e18, &s, &e);
    s++, e--;
    vector<ll> a, b;
    for(ll i=1; i<=N+1; i++) {
        ll l=s+((e-s+1)*(i-1)/N), r=min(e, s+((e-s+1)*i/N-1));
        if(l>r) continue;
        ll x, y;
        MinMax(l, r, &x, &y);
        if(x!=-1) {
            a.push_back(x);
            b.push_back(y);
        }
    }
    res=max(a[0]-s+1, e-b.back()+1);
    for(int i=0; i<a.size()-1; i++) res=max(res, a[i+1]-b[i]);
    return res;
}

Compilation message (stderr)

gap.cpp: In function 'll findGap(int, int)':
gap.cpp:22:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |     for(int i=0; i<a.size()-1; i++) res=max(res, a[i+1]-b[i]);
      |                  ~^~~~~~~~~~~

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