#include "cielib.h" #include <bits/stdc++.h> #define REP(a,b) for(int a=0; a<(b); ++a) #define FWD(a,b,c) for(int a=(b); a<(c); ++a) #define FWDS(a,b,c,d) for(int a=(b); a<(c); a+=d) #define BCK(a,b,c) for(int a=(b); a>(c); --a) #define ALL(a) (a).begin(), (a).end() #define SIZE(a) ((int)(a).size()) #define VAR(x) #x ": " << x << " " #define popcount __builtin_popcount #define popcountll __builtin_popcountll #define gcd __gcd #define x first #define y second #define st first #define nd second #define pb push_back using namespace std; template<typename T> ostream& operator<<(ostream &out, const vector<T> &v){ out << "{"; for(const T &a : v) out << a << ", "; out << "}"; return out; } template<typename S, typename T> ostream& operator<<(ostream &out, const pair<S,T> &p){ out << "(" << p.st << ", " << p.nd << ")"; return out; } typedef long long LL; typedef pair<int, int> PII; typedef long double K; typedef vector<int> VI; const int dx[] = {0,0,-1,1}; //1,1,-1,1}; const int dy[] = {-1,1,0,0}; //1,-1,1,-1}; const int MAXD = 510; int d, r; int lo[MAXD]; int hi[MAXD]; int que[MAXD]; int main(){ d = podajD(); r = podajR(); FWD(i,0,d){ lo[i] = 0; hi[i] = r; } for(;;){ int p = 0; FWD(i,1,d) if(hi[i] - lo[i] > hi[p] - lo[p]) p = i; if(hi[p] == lo[p] + 1) break; int o = 0; FWD(i,0,d){ que[i] = (lo[i] + hi[i]) / 2; o = max(o, hi[i] - que[i]); } que[p] = lo[p]; czyCieplo(que); que[p] = hi[p]; if(czyCieplo(que)) lo[p] = hi[p] - o; else hi[p] = lo[p] + o; } FWD(p,0,d){ FWD(i,0,d) que[i] = (lo[i] + hi[i]) / 2; if(hi[p] < r){ que[p] = hi[p]+1; czyCieplo(que); que[p] = lo[p]; if(czyCieplo(que)) hi[p] = lo[p]; else lo[p] = hi[p]; }else{ que[p] = lo[p] - 1; czyCieplo(que); que[p] = hi[p]; if(czyCieplo(que)) lo[p] = hi[p]; else hi[p] = lo[p]; } } znalazlem(lo); 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 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | #include "cielib.h" #include <bits/stdc++.h> #define REP(a,b) for(int a=0; a<(b); ++a) #define FWD(a,b,c) for(int a=(b); a<(c); ++a) #define FWDS(a,b,c,d) for(int a=(b); a<(c); a+=d) #define BCK(a,b,c) for(int a=(b); a>(c); --a) #define ALL(a) (a).begin(), (a).end() #define SIZE(a) ((int)(a).size()) #define VAR(x) #x ": " << x << " " #define popcount __builtin_popcount #define popcountll __builtin_popcountll #define gcd __gcd #define x first #define y second #define st first #define nd second #define pb push_back using namespace std; template<typename T> ostream& operator<<(ostream &out, const vector<T> &v){ out << "{"; for(const T &a : v) out << a << ", "; out << "}"; return out; } template<typename S, typename T> ostream& operator<<(ostream &out, const pair<S,T> &p){ out << "(" << p.st << ", " << p.nd << ")"; return out; } typedef long long LL; typedef pair<int, int> PII; typedef long double K; typedef vector<int> VI; const int dx[] = {0,0,-1,1}; //1,1,-1,1}; const int dy[] = {-1,1,0,0}; //1,-1,1,-1}; const int MAXD = 510; int d, r; int lo[MAXD]; int hi[MAXD]; int que[MAXD]; int main(){ d = podajD(); r = podajR(); FWD(i,0,d){ lo[i] = 0; hi[i] = r; } for(;;){ int p = 0; FWD(i,1,d) if(hi[i] - lo[i] > hi[p] - lo[p]) p = i; if(hi[p] == lo[p] + 1) break; int o = 0; FWD(i,0,d){ que[i] = (lo[i] + hi[i]) / 2; o = max(o, hi[i] - que[i]); } que[p] = lo[p]; czyCieplo(que); que[p] = hi[p]; if(czyCieplo(que)) lo[p] = hi[p] - o; else hi[p] = lo[p] + o; } FWD(p,0,d){ FWD(i,0,d) que[i] = (lo[i] + hi[i]) / 2; if(hi[p] < r){ que[p] = hi[p]+1; czyCieplo(que); que[p] = lo[p]; if(czyCieplo(que)) hi[p] = lo[p]; else lo[p] = hi[p]; }else{ que[p] = lo[p] - 1; czyCieplo(que); que[p] = hi[p]; if(czyCieplo(que)) lo[p] = hi[p]; else hi[p] = lo[p]; } } znalazlem(lo); return 0; } |