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SHA1 Hash:ea210c966f95c56b372c615f0b668b91bc026019
Date: 2013-11-20 10:15:38
User: kinaba
Comment:596
Timelines: family | ancestors | descendants | both | trunk
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Added SRM/596-U/1A.cpp version [c682955937bb1876]

1 +#include <iostream> 2 +#include <sstream> 3 +#include <iomanip> 4 +#include <vector> 5 +#include <string> 6 +#include <map> 7 +#include <set> 8 +#include <algorithm> 9 +#include <numeric> 10 +#include <iterator> 11 +#include <functional> 12 +#include <complex> 13 +#include <queue> 14 +#include <stack> 15 +#include <cmath> 16 +#include <cassert> 17 +#include <tuple> 18 +using namespace std; 19 +typedef long long LL; 20 +typedef complex<double> CMP; 21 + 22 +class IncrementAndDoubling { public: 23 + int getMin(vector <int> d) 24 + { 25 + int cnt = 0; 26 + for(;;++cnt) 27 + { 28 + for(auto& di : d) 29 + if(di%2 == 1) 30 + ++cnt, di--; 31 + if(count(d.begin(), d.end(), 0) == d.size()) 32 + break; 33 + for(auto& di : d) 34 + di /= 2; 35 + } 36 + return cnt; 37 + } 38 +}; 39 + 40 +// BEGIN CUT HERE 41 +#include <ctime> 42 +double start_time; string timer() 43 + { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); } 44 +template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) 45 + { os << "{ "; 46 + for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it) 47 + os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; } 48 +void verify_case(const int& Expected, const int& Received) { 49 + bool ok = (Expected == Received); 50 + if(ok) cerr << "PASSED" << timer() << endl; else { cerr << "FAILED" << timer() << endl; 51 + cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } } 52 +#define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock(); 53 +#define END verify_case(_, IncrementAndDoubling().getMin(desiredArray));} 54 +int main(){ 55 + 56 +CASE(0) 57 + int desiredArray_[] = {2, 1}; 58 + vector <int> desiredArray(desiredArray_, desiredArray_+sizeof(desiredArray_)/sizeof(*desiredArray_)); 59 + int _ = 3; 60 +END 61 +CASE(1) 62 + int desiredArray_[] = {16, 16, 16}; 63 + vector <int> desiredArray(desiredArray_, desiredArray_+sizeof(desiredArray_)/sizeof(*desiredArray_)); 64 + int _ = 7; 65 +END 66 +CASE(2) 67 + int desiredArray_[] = {100}; 68 + vector <int> desiredArray(desiredArray_, desiredArray_+sizeof(desiredArray_)/sizeof(*desiredArray_)); 69 + int _ = 9; 70 +END 71 +CASE(3) 72 + int desiredArray_[] = {0, 0, 1, 0, 1}; 73 + vector <int> desiredArray(desiredArray_, desiredArray_+sizeof(desiredArray_)/sizeof(*desiredArray_)); 74 + int _ = 2; 75 +END 76 +CASE(4) 77 + int desiredArray_[] = {123, 234, 345, 456, 567, 789}; 78 + vector <int> desiredArray(desiredArray_, desiredArray_+sizeof(desiredArray_)/sizeof(*desiredArray_)); 79 + int _ = 40; 80 +END 81 +CASE(5) 82 + int desiredArray_[] = {7,5,8,1,8,6,6,5,3,5,5,2,8,9,9,4,6,9,4,4,1,9,9,2,8,4,7,4,8,8,6,3,9,4,3,4,5,1,9,8,3,8,3,7,9,3,8,4,4,7}; 83 + vector <int> desiredArray(desiredArray_, desiredArray_+sizeof(desiredArray_)/sizeof(*desiredArray_)); 84 + int _ = 84; 85 +END 86 +/* 87 +CASE(6) 88 + int desiredArray_[] = ; 89 + vector <int> desiredArray(desiredArray_, desiredArray_+sizeof(desiredArray_)/sizeof(*desiredArray_)); 90 + int _ = ; 91 +END 92 +CASE(7) 93 + int desiredArray_[] = ; 94 + vector <int> desiredArray(desiredArray_, desiredArray_+sizeof(desiredArray_)/sizeof(*desiredArray_)); 95 + int _ = ; 96 +END 97 +*/ 98 +} 99 +// END CUT HERE

Added SRM/596-U/1B.cpp version [0026c7bfbd49720a]

1 +#include <iostream> 2 +#include <sstream> 3 +#include <iomanip> 4 +#include <vector> 5 +#include <string> 6 +#include <map> 7 +#include <set> 8 +#include <algorithm> 9 +#include <numeric> 10 +#include <iterator> 11 +#include <functional> 12 +#include <complex> 13 +#include <queue> 14 +#include <stack> 15 +#include <cmath> 16 +#include <cassert> 17 +#include <tuple> 18 +using namespace std; 19 +typedef long long LL; 20 +typedef complex<double> CMP; 21 + 22 +class BitwiseAnd { public: 23 + vector<long long> lexSmallest(vector<long long> subset, int N) 24 + { 25 + vector<LL> FAIL; 26 + 27 + // precheck 28 + for(int i=0; i<subset.size(); ++i) 29 + for(int j=i+1; j<subset.size(); ++j) 30 + if((subset[i]&subset[j])==0) 31 + return FAIL; 32 + for(int i=0; i<subset.size(); ++i) 33 + for(int j=i+1; j<subset.size(); ++j) 34 + for(int k=j+1; k<subset.size(); ++k) 35 + if((subset[i]&subset[j]&subset[k])!=0) 36 + return FAIL; 37 + 38 + vector<LL> ans = subset; 39 + 40 + LL rest = (1LL<<60)-1; 41 + vector<LL> leftbits = subset; 42 + for(int i=0; i<subset.size(); ++i) 43 + { 44 + rest &= ~subset[i]; 45 + for(int k=0; k<leftbits.size(); ++k) if(k!=i) 46 + leftbits[k] &= ~ subset[i]; 47 + } 48 + 49 + while(leftbits.size() < N) 50 + { 51 + LL v = 0; 52 + for(int i=0; i<leftbits.size(); ++i) 53 + { 54 + if(leftbits[i] == 0) 55 + return FAIL; 56 + LL least = 1; 57 + while((leftbits[i] & least)==0) 58 + least <<= 1; 59 + leftbits[i] &= ~least; 60 + v |= least; 61 + } 62 + 63 + LL restv = 0; 64 + int needbits = (N - leftbits.size() - 1); 65 + while(needbits--) { 66 + if(rest == 0) 67 + return FAIL; 68 + LL least = 1; 69 + while((rest & least)==0) 70 + least <<= 1; 71 + rest &= ~least; 72 + restv |= least; 73 + } 74 + 75 + leftbits.push_back(restv); 76 + ans.push_back(v | restv); 77 + } 78 + 79 + sort(ans.begin(), ans.end()); 80 + return ans; 81 + } 82 +}; 83 + 84 +// BEGIN CUT HERE 85 +#include <ctime> 86 +double start_time; string timer() 87 + { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); } 88 +template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) 89 + { os << "{ "; 90 + for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it) 91 + os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; } 92 +void verify_case(const vector<long long>& Expected, const vector<long long>& Received) { 93 + bool ok = (Expected == Received); 94 + if(ok) cerr << "PASSED" << timer() << endl; else { cerr << "FAILED" << timer() << endl; 95 + cerr << "\to: " << Expected << endl << "\tx: " << Received << endl; } } 96 +#define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock(); 97 +#define END verify_case(_, BitwiseAnd().lexSmallest(subset, N));} 98 +int main(){ 99 + 100 +CASE(0) 101 + long long subset_[] = {14, 20}; 102 + vector<long long> subset(subset_, subset_+sizeof(subset_)/sizeof(*subset_)); 103 + int N = 3; 104 + long long __[] = {14, 18, 20 }; 105 + vector<long long> _(__, __+sizeof(__)/sizeof(*__)); 106 +END 107 +CASE(1) 108 + long long subset_[] = {11, 17, 20}; 109 + vector<long long> subset(subset_, subset_+sizeof(subset_)/sizeof(*subset_)); 110 + int N = 4; 111 + vector<long long> _; 112 +END 113 +CASE(2) 114 + long long subset_[] = {99, 157}; 115 + vector<long long> subset(subset_, subset_+sizeof(subset_)/sizeof(*subset_)); 116 + int N = 4; 117 + long long __[] = {99, 157, 262, 296 }; 118 + vector<long long> _(__, __+sizeof(__)/sizeof(*__)); 119 +END 120 +CASE(3) 121 + long long subset_[] = {1152921504606846975}; 122 + vector<long long> subset(subset_, subset_+sizeof(subset_)/sizeof(*subset_)); 123 + int N = 3; 124 + vector<long long> _; 125 +END 126 +CASE(4) 127 + vector<long long> subset; 128 + int N = 5; 129 + long long __[] = {15, 113, 402, 676, 840 }; 130 + vector<long long> _(__, __+sizeof(__)/sizeof(*__)); 131 +END 132 +CASE(5) 133 + long long subset_[] = {1, 3, 5, 7, 9, 11}; 134 + vector<long long> subset(subset_, subset_+sizeof(subset_)/sizeof(*subset_)); 135 + int N = 6; 136 + vector<long long> _; 137 +END 138 +CASE(6) 139 + long long subset_[] = {(1LL<<60)-1>>50<<50}; 140 + vector<long long> subset(subset_, subset_+sizeof(subset_)/sizeof(*subset_)); 141 + int N = 11; 142 + vector<long long> _; 143 +END 144 +/* 145 +CASE(7) 146 + long long subset_[] = ; 147 + vector<long long> subset(subset_, subset_+sizeof(subset_)/sizeof(*subset_)); 148 + int N = ; 149 + long long __[] = ; 150 + vector<long long> _(__, __+sizeof(__)/sizeof(*__)); 151 +END 152 +*/ 153 +} 154 +// END CUT HERE