#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}; int res[][8] = { {1,0,0,0,0,0,0,0}, {1,1,0,0,0,0,0,0}, {1,0,1,0,0,0,0,0}, {1,0,0,1,0,0,0,0}, {1,1,0,1,1,0,0,0}, {1,1,0,1,0,1,0,0}, {1,0,1,1,0,0,1,0}, {1,0,0,0,1,0,1,1} }; int solve(int n, int k){ if(k == 0 || k == n-1) return 1; if(n <= 8) return res[n-1][k]; return ((~n)&k)?0:1; } int main(){ int z; scanf("%d", &z); while(z--){ int n, k; scanf("%d %d", &n, &k); printf("%d\n", solve(n, k)); } 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 | #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}; int res[][8] = { {1,0,0,0,0,0,0,0}, {1,1,0,0,0,0,0,0}, {1,0,1,0,0,0,0,0}, {1,0,0,1,0,0,0,0}, {1,1,0,1,1,0,0,0}, {1,1,0,1,0,1,0,0}, {1,0,1,1,0,0,1,0}, {1,0,0,0,1,0,1,1} }; int solve(int n, int k){ if(k == 0 || k == n-1) return 1; if(n <= 8) return res[n-1][k]; return ((~n)&k)?0:1; } int main(){ int z; scanf("%d", &z); while(z--){ int n, k; scanf("%d %d", &n, &k); printf("%d\n", solve(n, k)); } return 0; } |