#include <cstdio> #include <cassert> #include <algorithm> using namespace std; const int MAXN = 500000; int a[MAXN+5]; int maxr[MAXN+5]; #define PRINTSOL //#undef PRINTSOL int main() { int n, k = 0; scanf("%d%d", &n, &k); for (int i = 0; i < n; ++i) { scanf("%d", a+i); } if (k >= 4) { int wyswietlone = 0; for (int i = 1; i < n; ++i) { if (a[i-1]>= a[i]) { printf("TAK\n"); int minus = (!(i == 1 || i==n-1)) ? 4 : 3; for (int j=0; wyswietlone < k - minus && j < i-2; ++j) { #ifdef PRINTSOL printf("%d ", j+1); #endif ++wyswietlone; } if (i == 1) { #ifdef PRINTSOL printf("%d %d ", i, i+1); #endif wyswietlone += 2; } else if (i==n-1) { #ifdef PRINTSOL printf("%d %d ", i-1, i); #endif wyswietlone += 2; } else { #ifdef PRINTSOL printf("%d %d %d ", i-1, i, i+1); #endif wyswietlone += 3; } for (int j = i+1; j < n-1 && wyswietlone < k-1; ++j){ #ifdef PRINTSOL printf("%d ", j+1); #endif ++wyswietlone; } //assert(wyswietlone == k-1); return 0; } } printf("NIE\n"); } else if (k == 3) { for (int i = 1; i < n; ++i) { if (a[i] <= a[0]) { printf("TAK\n"); #ifdef PRINTSOL if (i != n-1) { printf("%d %d ", i, i+1); } else { printf("%d %d ", 1, n-1); } #endif return 0; } } for (int i = n-2; i >= 0; --i) { if (a[i] >= a[n-1]) { printf("TAK\n"); #ifdef PRINTSOL if (i != 0) { printf("%d %d ", i, i+1); } else { printf("%d %d ", 1, n-1); } #endif return 0; } } printf("NIE\n"); } else { // 2 maxr[n-1] = a[n-1]; for (int i = n-2; i >= 0; --i) { maxr[i] = max(maxr[i+1], a[i]); } int minl = a[0]; for (int i = 1; i < n; ++i) { if (minl >= maxr[i]) { printf("TAK\n"); #ifdef PRINTSOL printf("%d ", i); #endif return 0; } minl = min(minl, a[i]); } 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 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 | #include <cstdio> #include <cassert> #include <algorithm> using namespace std; const int MAXN = 500000; int a[MAXN+5]; int maxr[MAXN+5]; #define PRINTSOL //#undef PRINTSOL int main() { int n, k = 0; scanf("%d%d", &n, &k); for (int i = 0; i < n; ++i) { scanf("%d", a+i); } if (k >= 4) { int wyswietlone = 0; for (int i = 1; i < n; ++i) { if (a[i-1]>= a[i]) { printf("TAK\n"); int minus = (!(i == 1 || i==n-1)) ? 4 : 3; for (int j=0; wyswietlone < k - minus && j < i-2; ++j) { #ifdef PRINTSOL printf("%d ", j+1); #endif ++wyswietlone; } if (i == 1) { #ifdef PRINTSOL printf("%d %d ", i, i+1); #endif wyswietlone += 2; } else if (i==n-1) { #ifdef PRINTSOL printf("%d %d ", i-1, i); #endif wyswietlone += 2; } else { #ifdef PRINTSOL printf("%d %d %d ", i-1, i, i+1); #endif wyswietlone += 3; } for (int j = i+1; j < n-1 && wyswietlone < k-1; ++j){ #ifdef PRINTSOL printf("%d ", j+1); #endif ++wyswietlone; } //assert(wyswietlone == k-1); return 0; } } printf("NIE\n"); } else if (k == 3) { for (int i = 1; i < n; ++i) { if (a[i] <= a[0]) { printf("TAK\n"); #ifdef PRINTSOL if (i != n-1) { printf("%d %d ", i, i+1); } else { printf("%d %d ", 1, n-1); } #endif return 0; } } for (int i = n-2; i >= 0; --i) { if (a[i] >= a[n-1]) { printf("TAK\n"); #ifdef PRINTSOL if (i != 0) { printf("%d %d ", i, i+1); } else { printf("%d %d ", 1, n-1); } #endif return 0; } } printf("NIE\n"); } else { // 2 maxr[n-1] = a[n-1]; for (int i = n-2; i >= 0; --i) { maxr[i] = max(maxr[i+1], a[i]); } int minl = a[0]; for (int i = 1; i < n; ++i) { if (minl >= maxr[i]) { printf("TAK\n"); #ifdef PRINTSOL printf("%d ", i); #endif return 0; } minl = min(minl, a[i]); } printf("NIE\n"); } } |