#include <cstdio> #include <algorithm> using namespace std; int A[500005]; int MXE[500005]; int main() { int n, k; scanf("%d%d", &n, &k); for (int i=0; i<n; i++) scanf("%d", A+i); if (k == 2) { MXE[n-1] = A[n-1]; for (int i=n-2; i>=0; i--) { MXE[i] = max(A[i], MXE[i+1]); } int mn = 1000000009; for (int i=0; i<n-1; i++) { mn = min(A[i], mn); if (mn >= MXE[i+1]) { printf("TAK\n%d\n", i+1); return 0; } } printf("NIE\n"); return 0; } else if (k == 3) { int mn = 1000000009; for (int i=0; i<n-2; i++) { mn = min(A[i], mn); if (mn >= A[i+1]) { printf("TAK\n%d %d\n", i+1, i+2); return 0; } } int mx = 0; for (int i=n-1; i>=2; i--) { mx = max(A[i], mx); if (mx <= A[i-1]) { printf("TAK\n%d %d\n", i-1, i); return 0; } } printf("NIE\n"); return 0; } else { int p = -1; for (int i=1; i<n; i++) { if (A[i-1] >= A[i]) { p = i-1; break; } } if (p == -1) { printf("NIE\n"); return 0; } printf("TAK\n"); for (int i=0; i<min(k-4, p-1); i++) printf("%d ", i+1); printf("%d %d %d ", p, p+1, p+2); for (int i=0; i<k-3-p; i++) printf("%d ", p+i+3); } 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 | #include <cstdio> #include <algorithm> using namespace std; int A[500005]; int MXE[500005]; int main() { int n, k; scanf("%d%d", &n, &k); for (int i=0; i<n; i++) scanf("%d", A+i); if (k == 2) { MXE[n-1] = A[n-1]; for (int i=n-2; i>=0; i--) { MXE[i] = max(A[i], MXE[i+1]); } int mn = 1000000009; for (int i=0; i<n-1; i++) { mn = min(A[i], mn); if (mn >= MXE[i+1]) { printf("TAK\n%d\n", i+1); return 0; } } printf("NIE\n"); return 0; } else if (k == 3) { int mn = 1000000009; for (int i=0; i<n-2; i++) { mn = min(A[i], mn); if (mn >= A[i+1]) { printf("TAK\n%d %d\n", i+1, i+2); return 0; } } int mx = 0; for (int i=n-1; i>=2; i--) { mx = max(A[i], mx); if (mx <= A[i-1]) { printf("TAK\n%d %d\n", i-1, i); return 0; } } printf("NIE\n"); return 0; } else { int p = -1; for (int i=1; i<n; i++) { if (A[i-1] >= A[i]) { p = i-1; break; } } if (p == -1) { printf("NIE\n"); return 0; } printf("TAK\n"); for (int i=0; i<min(k-4, p-1); i++) printf("%d ", i+1); printf("%d %d %d ", p, p+1, p+2); for (int i=0; i<k-3-p; i++) printf("%d ", p+i+3); } return 0; } |