제출 #944611

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
944611		wii	Gap (APIO16_gap)	C++17	16.62 / 100	64 ms	5012 KiB

gap

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

typedef long long ll;

vector<ll> num;
void dnc(ll l, ll r) {
    if (l > r)
        return;

    ll mid = (l + r) >> 1;
    ll mn = -1, mx = -1;

    MinMax(l, mid, &mn, &mx);
    if (mn != -1) {
        num.push_back(mn);
        num.push_back(mx);

        dnc(mn + 1, mx - 1);
        dnc(mid + 1, r);

        return;
    }

    if (mid + 1 <= r) {
        MinMax(mid, r, &mn, &mx);
        if (mn != -1) {
            num.push_back(mn);
            num.push_back(mx);

            dnc(mn + 1, mx - 1);
        }
    }
}

ll findGap(int T, int N) {
    dnc(0, 1e18);

    sort(num.begin(), num.end());

    ll res = 0;
    for (int i = 1; i < num.size(); ++i)
        res = max(res, num[i] - num[i - 1]);

	return res;
}

컴파일 시 표준 에러 (stderr) 메시지

gap.cpp: In function 'll findGap(int, int)':
gap.cpp:43:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |     for (int i = 1; i < num.size(); ++i)
      |                     ~~^~~~~~~~~~~~
gap.cpp:43:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   43 |     for (int i = 1; i < num.size(); ++i)
      |     ^~~
gap.cpp:46:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   46 |  return res;
      |  ^~~~~~

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