#pragma GCC optimize ("Ofast") #define _USE_MATH_DEFINES #include <bits/stdc++.h> #define FOR(i, a, b) for (auto i=(a); i<(b); i++) #define FORD(i, a, b) for (int i=(a); i>(b); i--) #define SZ(x) ((int)(x).size()) #define ALL(x) (x).begin(), (x).end() #define PPC(x) __builtin_popcountll(x) #define MSB(x) (63 - __builtin_clzll(x)) #define LSB(x) __builtin_ctzll(x) #define ARG(x, i) (get<i>(x)) #define ithBit(m, i) ((m) >> (i) & 1) #define pb push_back #define ft first #define sd second #define kw(a) ((a) * (a)) #ifdef DEBUG #include "debug.h" #else #define dbg(...) 0 #endif using namespace std; template <typename T1, typename T2> inline void remin(T1& a, T2 b) { a = min(a, (T1)b); } template <typename T1, typename T2> inline void remax(T1& a, T2 b) { a = max(a, (T1)b); } const int maxN = 1 << 19, INF = 1 << 30; int n, T[maxN], prefMn[maxN], sufMx[maxN]; bool res[maxN]; int firstNoinc(int* A, int* B) { FOR(i, 1, n) if (A[i] >= B[i+1]) return i; return n; } void solve() { int k; scanf ("%d%d", &n, &k); prefMn[0] = INF; FOR(i, 1, n+1) scanf ("%d", T+i), prefMn[i] = min(prefMn[i-1], T[i]); FORD(i, n, 0) sufMx[i] = max(sufMx[i+1], T[i]); vector <int> posMn, posMx; FOR(i, 1, n+1) { if (T[i] == prefMn[n]) posMn.pb(i); if (T[i] == sufMx[1]) posMx.pb(i); } bool fail = false; #define MARK(x) k--, res[x] = true if (k > 3) { int i = firstNoinc(T, T); if (i == n) fail = true; else { MARK(i); if (i != 1) MARK(i-1); if (i+1 != n) MARK(i+1); } } else if (k == 3) { if (posMn == vector <int> {1} and posMx == vector <int> {n}) fail = true; else { int i = posMn.back() == 1 ? posMx.front() : posMn.back(); if (i != 1) MARK(i-1); if (i != n) MARK(i); } } else { int i = firstNoinc(prefMn, sufMx); if (i == n) fail = true; else MARK(i); } for (int i=1; i<=n and k>1 ;i++) if (!res[i]) MARK(i); if (fail) printf("NIE\n"); else { printf("TAK\n"); FOR(i, 1, n+1) if (res[i]) printf("%d ", i); printf("\n"); } } int main() { int t = 1; //scanf ("%d", &t); FOR(tid, 1, t+1) { //printf("Case #%d: ", tid); solve(); } 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 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | #pragma GCC optimize ("Ofast") #define _USE_MATH_DEFINES #include <bits/stdc++.h> #define FOR(i, a, b) for (auto i=(a); i<(b); i++) #define FORD(i, a, b) for (int i=(a); i>(b); i--) #define SZ(x) ((int)(x).size()) #define ALL(x) (x).begin(), (x).end() #define PPC(x) __builtin_popcountll(x) #define MSB(x) (63 - __builtin_clzll(x)) #define LSB(x) __builtin_ctzll(x) #define ARG(x, i) (get<i>(x)) #define ithBit(m, i) ((m) >> (i) & 1) #define pb push_back #define ft first #define sd second #define kw(a) ((a) * (a)) #ifdef DEBUG #include "debug.h" #else #define dbg(...) 0 #endif using namespace std; template <typename T1, typename T2> inline void remin(T1& a, T2 b) { a = min(a, (T1)b); } template <typename T1, typename T2> inline void remax(T1& a, T2 b) { a = max(a, (T1)b); } const int maxN = 1 << 19, INF = 1 << 30; int n, T[maxN], prefMn[maxN], sufMx[maxN]; bool res[maxN]; int firstNoinc(int* A, int* B) { FOR(i, 1, n) if (A[i] >= B[i+1]) return i; return n; } void solve() { int k; scanf ("%d%d", &n, &k); prefMn[0] = INF; FOR(i, 1, n+1) scanf ("%d", T+i), prefMn[i] = min(prefMn[i-1], T[i]); FORD(i, n, 0) sufMx[i] = max(sufMx[i+1], T[i]); vector <int> posMn, posMx; FOR(i, 1, n+1) { if (T[i] == prefMn[n]) posMn.pb(i); if (T[i] == sufMx[1]) posMx.pb(i); } bool fail = false; #define MARK(x) k--, res[x] = true if (k > 3) { int i = firstNoinc(T, T); if (i == n) fail = true; else { MARK(i); if (i != 1) MARK(i-1); if (i+1 != n) MARK(i+1); } } else if (k == 3) { if (posMn == vector <int> {1} and posMx == vector <int> {n}) fail = true; else { int i = posMn.back() == 1 ? posMx.front() : posMn.back(); if (i != 1) MARK(i-1); if (i != n) MARK(i); } } else { int i = firstNoinc(prefMn, sufMx); if (i == n) fail = true; else MARK(i); } for (int i=1; i<=n and k>1 ;i++) if (!res[i]) MARK(i); if (fail) printf("NIE\n"); else { printf("TAK\n"); FOR(i, 1, n+1) if (res[i]) printf("%d ", i); printf("\n"); } } int main() { int t = 1; //scanf ("%d", &t); FOR(tid, 1, t+1) { //printf("Case #%d: ", tid); solve(); } return 0; } |