#include<bits/stdc++.h> #define ALL(X) X.begin(),X.end() #define FOR(I,A,B) for(int (I) = (A); (I) <= (B); (I)++) #define FORW(I,A,B) for(int (I) = (A); (I) < (B); (I)++) #define FORD(I,A,B) for(int (I) = (A); (I) >= (B); (I)--) #define CLEAR(X) memset(X,0,sizeof(X)) #define SIZE(X) int(X.size()) #define CONTAINS(A,X) (A.find(X) != A.end()) #define PB push_back #define MP make_pair #define X first #define Y second using namespace std; template<typename T, typename U> ostream& operator << (ostream& os, const pair<T, U> &_p) { return os << "(" << _p.X << "," << _p.Y << ")"; } template<typename T> ostream& operator << (ostream &os, const vector<T>& _V) { bool f = true; os << "["; for(auto v: _V) { os << (f ? "" : ",") << v; f = false; } return os << "]"; } template<typename T> ostream& operator << (ostream &os, const set<T>& _S) { bool f = true; os << "("; for(auto s: _S) { os << (f ? "" : ",") << s; f = false; } return os << ")"; } template<typename T, typename U> ostream& operator << (ostream &os, const map<T, U>& _M) { return os << set<pair<T, U>>(ALL(_M)); } typedef signed long long slong; typedef long double ldouble; const slong INF = 1000000100; const ldouble EPS = 1e-9; const int MAXN = 7; int check(int cover, int mask, int n) { int ok = 1, nr = -1; FORW(i,0,n) { FORW(j,i+1,n) { nr++; if(!(mask & (1<<nr))) continue; if(!(cover & ((1<<i)+(1<<j)))) { ok = 0; } } } return ok; } int min_cover(int mask, int n) { int ret = n - 1; FORW(cover,0,(1<<n)) { if(check(cover,mask,n)) { ret = min(ret, __builtin_popcount(cover)); } } return ret; } void foo(int n) { vector<int> minc(MAXN,0); int kraw = (n*(n-1))/2; FORW(mask,0,(1<<kraw)) { int cover = min_cover(mask,n); minc[cover]++; } cout << "{"; FORW(i,0,MAXN) { if(i) cout << ", "; cout << minc[i]; } cout << "}," << endl; } int ans[8][7] = { {0, 0, 0, 0, 0, 0, 0}, {1, 0, 0, 0, 0, 0, 0}, {1, 1, 0, 0, 0, 0, 0}, {1, 6, 1, 0, 0, 0, 0}, {1, 22, 40, 1, 0, 0, 0}, {1, 65, 570, 387, 1, 0, 0}, {1, 171, 4970, 21837, 5788, 1, 0}, {1, 420, 33887, 576247, 1353096, 133500, 1}, }; void read_data() { } void solve() { int n, k; scanf("%d %d", &n, &k); if(n > 7) { // ... printf("%d\n", (n+k)%2); } else { printf("%d\n", ans[n][k]%2); } } int main() { /*cout << "{"; FOR(i,1,MAXN) { foo(i); } cout << "};";*/ int t; scanf("%d", &t); read_data(); while(t--) solve(); }
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 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | #include<bits/stdc++.h> #define ALL(X) X.begin(),X.end() #define FOR(I,A,B) for(int (I) = (A); (I) <= (B); (I)++) #define FORW(I,A,B) for(int (I) = (A); (I) < (B); (I)++) #define FORD(I,A,B) for(int (I) = (A); (I) >= (B); (I)--) #define CLEAR(X) memset(X,0,sizeof(X)) #define SIZE(X) int(X.size()) #define CONTAINS(A,X) (A.find(X) != A.end()) #define PB push_back #define MP make_pair #define X first #define Y second using namespace std; template<typename T, typename U> ostream& operator << (ostream& os, const pair<T, U> &_p) { return os << "(" << _p.X << "," << _p.Y << ")"; } template<typename T> ostream& operator << (ostream &os, const vector<T>& _V) { bool f = true; os << "["; for(auto v: _V) { os << (f ? "" : ",") << v; f = false; } return os << "]"; } template<typename T> ostream& operator << (ostream &os, const set<T>& _S) { bool f = true; os << "("; for(auto s: _S) { os << (f ? "" : ",") << s; f = false; } return os << ")"; } template<typename T, typename U> ostream& operator << (ostream &os, const map<T, U>& _M) { return os << set<pair<T, U>>(ALL(_M)); } typedef signed long long slong; typedef long double ldouble; const slong INF = 1000000100; const ldouble EPS = 1e-9; const int MAXN = 7; int check(int cover, int mask, int n) { int ok = 1, nr = -1; FORW(i,0,n) { FORW(j,i+1,n) { nr++; if(!(mask & (1<<nr))) continue; if(!(cover & ((1<<i)+(1<<j)))) { ok = 0; } } } return ok; } int min_cover(int mask, int n) { int ret = n - 1; FORW(cover,0,(1<<n)) { if(check(cover,mask,n)) { ret = min(ret, __builtin_popcount(cover)); } } return ret; } void foo(int n) { vector<int> minc(MAXN,0); int kraw = (n*(n-1))/2; FORW(mask,0,(1<<kraw)) { int cover = min_cover(mask,n); minc[cover]++; } cout << "{"; FORW(i,0,MAXN) { if(i) cout << ", "; cout << minc[i]; } cout << "}," << endl; } int ans[8][7] = { {0, 0, 0, 0, 0, 0, 0}, {1, 0, 0, 0, 0, 0, 0}, {1, 1, 0, 0, 0, 0, 0}, {1, 6, 1, 0, 0, 0, 0}, {1, 22, 40, 1, 0, 0, 0}, {1, 65, 570, 387, 1, 0, 0}, {1, 171, 4970, 21837, 5788, 1, 0}, {1, 420, 33887, 576247, 1353096, 133500, 1}, }; void read_data() { } void solve() { int n, k; scanf("%d %d", &n, &k); if(n > 7) { // ... printf("%d\n", (n+k)%2); } else { printf("%d\n", ans[n][k]%2); } } int main() { /*cout << "{"; FOR(i,1,MAXN) { foo(i); } cout << "};";*/ int t; scanf("%d", &t); read_data(); while(t--) solve(); } |