#include <cstdio> #include <queue> #include <vector> using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define INT(x) int x; scanf("%d", &x) typedef vector<bool> VB; int main() { INT(n); INT(m); INT(k); VB a(n * m); int x = 0; REP(kk,k) { INT(r); INT(c); INT(z); r = (r ^ x) % n; c = (c ^ x) % m; a[r * m + c] = 1; VB b(n * m); queue<int> q; b[0] = 1; q.push(0); while (!q.empty()) { int p = q.front(); q.pop(); if (p < (n - 1) * m && !a[p + m] && !b[p + m]) { b[p + m] = 1; q.push(p + m); } if (p % m < m - 1 && !a[p + 1] && !b[p + 1]) { b[p + 1] = 1; q.push(p + 1); } } if (!b[n * m - 1]) { a[r * m + c] = 0; x ^= z; printf("TAK\n"); } else printf("NIE\n"); } }
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 | #include <cstdio> #include <queue> #include <vector> using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define INT(x) int x; scanf("%d", &x) typedef vector<bool> VB; int main() { INT(n); INT(m); INT(k); VB a(n * m); int x = 0; REP(kk,k) { INT(r); INT(c); INT(z); r = (r ^ x) % n; c = (c ^ x) % m; a[r * m + c] = 1; VB b(n * m); queue<int> q; b[0] = 1; q.push(0); while (!q.empty()) { int p = q.front(); q.pop(); if (p < (n - 1) * m && !a[p + m] && !b[p + m]) { b[p + m] = 1; q.push(p + m); } if (p % m < m - 1 && !a[p + 1] && !b[p + 1]) { b[p + 1] = 1; q.push(p + 1); } } if (!b[n * m - 1]) { a[r * m + c] = 0; x ^= z; printf("TAK\n"); } else printf("NIE\n"); } } |