제출 #238080

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
238080		DS007	Gap (APIO16_gap)	C++14	컴파일 에러	0 ms	0 KiB

gap

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

long long solve1(int n) {
    set<long long> s;
    long long l = 0, h = 1e18;
    while (s.size() != n) {
        long long mn = -1, mx = -1;
        MinMax(l, h, mn, mx);
        l = mn + 1, h = mx - 1;
        s.insert(mn);
        s.insert(mx);
    }

    long long last = 1e18, ans = 0;
    for (auto i : s) {
        ans = max(ans, i - last);
        last = i;
    }

    return ans;
}

long long solve2(int n) {
    long long mn = -1, mx = -1, l = 0, h = 1e18, tm1 = -1, tm2 = -1;
    MinMax(l, h, mn, mx);

    if (n == 2)
        return mx - mn;

    long long m = (mx - mn) / (n - 2), last = 1e18, ans = 0;
    for (long long i = mn; i < mx; i += m) {
        MinMax(i, i + m, tm1, tm2);
        ans = max(ans, tm1 - last);
        last = tm2;
    }

    return ans;
}

long long solve(int t, int n) {
    if (t == 1)
        return solve1(n);
    else
        return solve2(n);
}

컴파일 시 표준 에러 (stderr) 메시지

gap.cpp: In function 'long long int solve1(int)':
gap.cpp:7:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while (s.size() != n) {
            ~~~~~~~~~^~~~
gap.cpp:9:9: error: 'MinMax' was not declared in this scope
         MinMax(l, h, mn, mx);
         ^~~~~~
gap.cpp:9:9: note: suggested alternative: 'rindex'
         MinMax(l, h, mn, mx);
         ^~~~~~
         rindex
gap.cpp: In function 'long long int solve2(int)':
gap.cpp:26:5: error: 'MinMax' was not declared in this scope
     MinMax(l, h, mn, mx);
     ^~~~~~
gap.cpp:26:5: note: suggested alternative: 'rindex'
     MinMax(l, h, mn, mx);
     ^~~~~~
     rindex