Submission #946409

#	Time	Username	Problem	Language	Result	Execution time	Memory
946409		n3rm1n	Gap (APIO16_gap)	C++17	0 / 100	71 ms	4500 KiB

gap

/// gap
#include<bits/stdc++.h>
#include "gap.h"

using namespace std;

long long findGap(int T, int N)
{
	long long s = 0, t = (long long)1e18;
	long long mn, mx;
	vector < long long > fh, sh;
	while(mn < mx)
	{
	    cout << mn << " " << mx << endl;
	    MinMax(s, t, &mn, &mx);
	    if(mn == -1)break;
	    if(mn == mx)
        {
            fh.push_back(mn);
            break;
        }
        if(mn > mx)break;
        fh.push_back(mn);
        sh.push_back(mx);
        s = mn + 1;
        t = mx - 1;
	}
	reverse(sh.begin(), sh.end());
	long long ans = 0;
	for (int i = 1; i < fh.size(); ++ i)
        ans = max(ans, fh[i] - fh[i-1]);
    ans = max(ans, sh[0] - fh.back());
    for (int i = 1; i < sh.size(); ++ i)
        ans = max(ans, sh[i] - sh[i-1]);
    cout << ans << endl;
    return ans;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:30:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |  for (int i = 1; i < fh.size(); ++ i)
      |                  ~~^~~~~~~~~~~
gap.cpp:33:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     for (int i = 1; i < sh.size(); ++ i)
      |                     ~~^~~~~~~~~~~
gap.cpp:12:11: warning: 'mn' is used uninitialized in this function [-Wuninitialized]
   12 |  while(mn < mx)
      |        ~~~^~~~
gap.cpp:12:11: warning: 'mx' is used uninitialized in this function [-Wuninitialized]

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