제출 #249360

#제출 시각아이디문제언어결과실행 시간메모리
249360sahil_kGap (APIO16_gap)C++14
30 / 100
70 ms1220 KiB
#include "gap.h" #include <iostream> #include <algorithm> #include <cmath> using namespace std; long long findGap (int t, int n) { if (t == 1) { long long mn, mx; MinMax(0, 1e18, &mn, &mx); long long p_mn = mn, p_mx = mx; long long ans = 0; for (int i=1; i<(n+1)/2; i++) { MinMax(p_mn+1, p_mx-1, &mn, &mx); ans = max(ans, mn-p_mn); ans = max(ans, p_mx-mx); p_mn = mn; p_mx = mx; } ans = max(ans, mx-mn); return ans; } else { long long mn, mx; MinMax(0, 1e18, &mn, &mx); if (n == 2) return mx-mn; long long sz = ceil((1.0*mx-mn-1)/(1.0*n-1)); long long prev_mx = -1; long long ans = 0; for (long long i=mn+1; i<mx; i+=sz) { MinMax(i, i+sz, &mn, &mx); if (prev_mx > -1 && mn > -1) ans = max(ans, mn-prev_mx); if (mx > -1) prev_mx = mx; } return ans; } }
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