#include <cstdio> #include <vector> #include <algorithm> #include <string> #include <cstring> #include <sstream> #include <iostream> #include <map> #include <cmath> #include <set> #include <queue> #include <numeric> #include <ctime> using namespace std; typedef long long LL; #define INF 1000000000 #define SZ(v) ((int)(v).size()) #define FOR(i,a,b) for(int i=(a);i<(b);i++) #define FORE(i,a,b) for(int i=(a);i<=(b);i++) #define FS first #define SD second #define MP make_pair #define ZERO(t) memset(t, 0, sizeof(t)) #define MINUS(t) memset(t, -1, sizeof(t)) #define MOD 1000000007 #define MIN(_a,_b) ((_a)<(_b)?(_a):(_b)) #define MAX(_a,_b) ((_a)>(_b)?(_a):(_b)) #define MAX_N 500005 vector<int> v; bool END[MAX_N]; map<int, int> M; void solve2() { FOR(i,0,SZ(v)) M[v[i]]++; int m = 0; FOR(i,0,SZ(v)-1) { int a = v[i]; auto it = M.find(a); it->second -= 1; if (it->second == 0) M.erase(it); if (i == 0) m = a; else m = MIN(m, a); it = M.upper_bound(m); if (it == M.end()) { printf("TAK\n"); printf("%d\n", i + 1); return; } } printf("NIE\n"); } void solve3() { FOR(i,1,SZ(v)-1) { if (v[i] <= v[0]) { printf("TAK\n"); printf("%d %d\n", i, i + 1); return; } } if (v.back() <= v[0]) { printf("TAK\n"); printf("%d %d\n", 1, SZ(v) - 1); return; } int m = v.back(); for (int i = SZ(v) - 2; i > 0; --i) { if (v[i] >= m) { printf("TAK\n"); printf("%d %d\n", i, i + 1); return; } m = MAX(v[i], m); } printf("NIE\n"); } int main() { int n, k; scanf("%d%d", &n, &k); bool inc = true; FOR(i,0,n) { int a; scanf("%d", &a); if (i > 0 && a <= v.back()) inc = false; v.push_back(a); } if (inc) { printf("NIE\n"); return 0; } if (k == 2) solve2(); else if (k == 3) solve3(); else { END[n - 1] = true;--k; printf("TAK\n"); FOR(i,1,n) { if (v[i] <= v[i - 1]) { if (i != n - 1) { END[i] = true;--k; } END[i - 1] = true;--k; if (i - 2 >= 0) { END[i - 2] = true; --k; } break; } } FOR(i,0,n) { if (k > 0 && !END[i]) { END[i] = true; --k; } } FOR(i,0,n-1) { if (END[i]) printf("%d ", i + 1); } printf("\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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | #include <cstdio> #include <vector> #include <algorithm> #include <string> #include <cstring> #include <sstream> #include <iostream> #include <map> #include <cmath> #include <set> #include <queue> #include <numeric> #include <ctime> using namespace std; typedef long long LL; #define INF 1000000000 #define SZ(v) ((int)(v).size()) #define FOR(i,a,b) for(int i=(a);i<(b);i++) #define FORE(i,a,b) for(int i=(a);i<=(b);i++) #define FS first #define SD second #define MP make_pair #define ZERO(t) memset(t, 0, sizeof(t)) #define MINUS(t) memset(t, -1, sizeof(t)) #define MOD 1000000007 #define MIN(_a,_b) ((_a)<(_b)?(_a):(_b)) #define MAX(_a,_b) ((_a)>(_b)?(_a):(_b)) #define MAX_N 500005 vector<int> v; bool END[MAX_N]; map<int, int> M; void solve2() { FOR(i,0,SZ(v)) M[v[i]]++; int m = 0; FOR(i,0,SZ(v)-1) { int a = v[i]; auto it = M.find(a); it->second -= 1; if (it->second == 0) M.erase(it); if (i == 0) m = a; else m = MIN(m, a); it = M.upper_bound(m); if (it == M.end()) { printf("TAK\n"); printf("%d\n", i + 1); return; } } printf("NIE\n"); } void solve3() { FOR(i,1,SZ(v)-1) { if (v[i] <= v[0]) { printf("TAK\n"); printf("%d %d\n", i, i + 1); return; } } if (v.back() <= v[0]) { printf("TAK\n"); printf("%d %d\n", 1, SZ(v) - 1); return; } int m = v.back(); for (int i = SZ(v) - 2; i > 0; --i) { if (v[i] >= m) { printf("TAK\n"); printf("%d %d\n", i, i + 1); return; } m = MAX(v[i], m); } printf("NIE\n"); } int main() { int n, k; scanf("%d%d", &n, &k); bool inc = true; FOR(i,0,n) { int a; scanf("%d", &a); if (i > 0 && a <= v.back()) inc = false; v.push_back(a); } if (inc) { printf("NIE\n"); return 0; } if (k == 2) solve2(); else if (k == 3) solve3(); else { END[n - 1] = true;--k; printf("TAK\n"); FOR(i,1,n) { if (v[i] <= v[i - 1]) { if (i != n - 1) { END[i] = true;--k; } END[i - 1] = true;--k; if (i - 2 >= 0) { END[i - 2] = true; --k; } break; } } FOR(i,0,n) { if (k > 0 && !END[i]) { END[i] = true; --k; } } FOR(i,0,n-1) { if (END[i]) printf("%d ", i + 1); } printf("\n"); } } |