#include <cstdio> #include <vector> #include <set> using namespace std; const int N = 500000 + 9; int n; int k; int v[N]; void NIE() { printf("NIE\n"); } void solve2() { multiset<int> a, b; for (int i=0; i<n; ++i) b.insert(v[i]); for (int i=0; i<n-1; ++i) { a.insert(v[i]); b.erase(b.find(v[i])); int amin = *a.begin(); int bmax = *b.rbegin(); if (amin >= bmax) { printf("TAK\n%d\n", i + 1); return; } } NIE(); } void solve3() { for (int i=1; i<n-1; ++i) { if (v[i] <= v[0]) { printf("TAK\n%d %d\n", i, i+1); return; } } for (int i=n-2; i>0; --i) { if (v[i] >= v[n-1]) { printf("TAK\n%d %d\n", i, i+1); return; } } NIE(); } void solveUnsorted(int i) { if (2 == k) return solve2(); if (3 == k) return solve3(); set<int> s; s.insert(i - 1); s.insert(i); s.insert(i + 1); s.erase(0); s.erase(n); for (int j=1; s.size()<k-1; ++j) s.insert(j); printf("TAK\n"); for (int i=0; i<k-1; ++i) { printf("%d%s", *s.begin(), i<k-2 ? " " : "\n"); s.erase(s.begin()); } } void solve() { for (int i=1; i<n; ++i) if (v[i-1] >= v[i]) return solveUnsorted(i); NIE(); } int main() { scanf("%d%d", &n, &k); for (int i=0; i<n; ++i) scanf("%d", v + i); 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 | #include <cstdio> #include <vector> #include <set> using namespace std; const int N = 500000 + 9; int n; int k; int v[N]; void NIE() { printf("NIE\n"); } void solve2() { multiset<int> a, b; for (int i=0; i<n; ++i) b.insert(v[i]); for (int i=0; i<n-1; ++i) { a.insert(v[i]); b.erase(b.find(v[i])); int amin = *a.begin(); int bmax = *b.rbegin(); if (amin >= bmax) { printf("TAK\n%d\n", i + 1); return; } } NIE(); } void solve3() { for (int i=1; i<n-1; ++i) { if (v[i] <= v[0]) { printf("TAK\n%d %d\n", i, i+1); return; } } for (int i=n-2; i>0; --i) { if (v[i] >= v[n-1]) { printf("TAK\n%d %d\n", i, i+1); return; } } NIE(); } void solveUnsorted(int i) { if (2 == k) return solve2(); if (3 == k) return solve3(); set<int> s; s.insert(i - 1); s.insert(i); s.insert(i + 1); s.erase(0); s.erase(n); for (int j=1; s.size()<k-1; ++j) s.insert(j); printf("TAK\n"); for (int i=0; i<k-1; ++i) { printf("%d%s", *s.begin(), i<k-2 ? " " : "\n"); s.erase(s.begin()); } } void solve() { for (int i=1; i<n; ++i) if (v[i-1] >= v[i]) return solveUnsorted(i); NIE(); } int main() { scanf("%d%d", &n, &k); for (int i=0; i<n; ++i) scanf("%d", v + i); solve(); return 0; } |