// #include <iostream> #include "cielib.h" // using namespace std; int FloorMid(const int lower, const int upper) { return (lower + upper) / 2; } int CeilMid(const int lower, const int upper) { return (lower + upper + 1) / 2; } int main() { const int d = podajD(); const int r = podajR(); int t[d], lower[d], upper[d]; for(int i = 0; i < d; ++i) { lower[i] = 0; upper[i] = r; } while (true) { int best = 0; for (int i = 1; i < d; ++i) { if (upper[i] - lower[i] > upper[best] - lower[best]) best = i; } if (upper[best] == lower[best]) break; if (upper[best] - lower[best] == 1) { if (lower[best] == 0) ++upper[best]; else --lower[best]; } // cerr << best << ' ' << lower[best] << ' ' << upper[best] << endl; for (int i = 0; i < d; ++i) t[i] = FloorMid(lower[i], upper[i]); t[best] = lower[best]; czyCieplo(t); t[best] = upper[best]; if (czyCieplo(t)) { // cerr << "upper is better" << endl; lower[best] = FloorMid(lower[best], upper[best]) + 1; } else { t[best] = lower[best]; if (czyCieplo(t)) { // cerr << "lower is better" << endl; upper[best] = CeilMid(lower[best], upper[best]) - 1; } else { // cerr << "all the same" << endl; const int lower_new = FloorMid(lower[best], upper[best]); const int upper_new = CeilMid(lower[best], upper[best]); lower[best] = lower_new; upper[best] = upper_new; } } } znalazlem(upper); return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | // #include <iostream> #include "cielib.h" // using namespace std; int FloorMid(const int lower, const int upper) { return (lower + upper) / 2; } int CeilMid(const int lower, const int upper) { return (lower + upper + 1) / 2; } int main() { const int d = podajD(); const int r = podajR(); int t[d], lower[d], upper[d]; for(int i = 0; i < d; ++i) { lower[i] = 0; upper[i] = r; } while (true) { int best = 0; for (int i = 1; i < d; ++i) { if (upper[i] - lower[i] > upper[best] - lower[best]) best = i; } if (upper[best] == lower[best]) break; if (upper[best] - lower[best] == 1) { if (lower[best] == 0) ++upper[best]; else --lower[best]; } // cerr << best << ' ' << lower[best] << ' ' << upper[best] << endl; for (int i = 0; i < d; ++i) t[i] = FloorMid(lower[i], upper[i]); t[best] = lower[best]; czyCieplo(t); t[best] = upper[best]; if (czyCieplo(t)) { // cerr << "upper is better" << endl; lower[best] = FloorMid(lower[best], upper[best]) + 1; } else { t[best] = lower[best]; if (czyCieplo(t)) { // cerr << "lower is better" << endl; upper[best] = CeilMid(lower[best], upper[best]) - 1; } else { // cerr << "all the same" << endl; const int lower_new = FloorMid(lower[best], upper[best]); const int upper_new = CeilMid(lower[best], upper[best]); lower[best] = lower_new; upper[best] = upper_new; } } } znalazlem(upper); return 0; } |