Submission #238081

#	Time	Username	Problem	Language	Result	Execution time	Memory
238081		DS007	Gap (APIO16_gap)	C++14	Compilation error	0 ms	0 KiB

gap

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

void MinMax(long long s, long long t, long long &mn, long long &mx);

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);
}

Compilation message (stderr)

gap.cpp: In function 'long long int solve1(int)':
gap.cpp:9:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while (s.size() != n) {
            ~~~~~~~~~^~~~
/tmp/ccrnAxoZ.o: In function `solve2(int)':
gap.cpp:(.text+0x4e): undefined reference to `MinMax(long long, long long, long long&, long long&)'
gap.cpp:(.text+0xa3): undefined reference to `MinMax(long long, long long, long long&, long long&)'
/tmp/ccrnAxoZ.o: In function `solve1(int)':
gap.cpp:(.text+0x180): undefined reference to `MinMax(long long, long long, long long&, long long&)'
/tmp/cc16yx56.o: In function `main':
grader.cpp:(.text.startup+0x18e): undefined reference to `findGap(int, int)'
collect2: error: ld returned 1 exit status