#include <bits/stdc++.h> using namespace std; typedef vector<int> VI; typedef pair <int,int> ii; typedef long long LL; #define pb push_back const int INF = 2147483647; const int N = 500005; int n, k, tab[N], minn[N], maxx[N], i, j, c; set<int> s; int main() { scanf("%d %d", &n, &k); for (i=1;i<=n;i++) scanf("%d", &tab[i]); maxx[n + 1] = 0; for (i=n;i>=1;i--) maxx[i] = max(tab[i], maxx[i + 1]); minn[0] = INF; for (i=1;i<=n;i++) minn[i] = min(tab[i], minn[i - 1]); if (k == 2) { for (i=1;i<n;i++) if (minn[i] >= maxx[i + 1]) { printf("TAK\n%d\n", i); return 0; } } else if (k >= 4) { s.clear(); for (i=1;i<n;i++) if (tab[i] >= tab[i + 1]) { if (i > 1) s.insert(i - 1); s.insert(i); if (i < n - 1) s.insert(i + 1); for (j=1;j<n && s.size() < k - 1;j++) s.insert(j); printf("TAK\n", i); for (auto& w : s) printf("%d ", w); printf("\n"); return 0; } } else { c = n + 1; for (i=2;i<=n;i++) if (tab[i] == minn[n]) c = min(c, i); for (i=1;i<n;i++) if (tab[i] == maxx[1]) c = min(c, i); if (c != n + 1) { s.clear(); if (c > 1) s.insert(c - 1); if (c < n) s.insert(c); for (j=1;j<n && s.size() < k - 1;j++) s.insert(j); printf("TAK\n", i); for (auto& w : s) printf("%d ", w); printf("\n"); return 0; } } printf("NIE\n"); 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 | #include <bits/stdc++.h> using namespace std; typedef vector<int> VI; typedef pair <int,int> ii; typedef long long LL; #define pb push_back const int INF = 2147483647; const int N = 500005; int n, k, tab[N], minn[N], maxx[N], i, j, c; set<int> s; int main() { scanf("%d %d", &n, &k); for (i=1;i<=n;i++) scanf("%d", &tab[i]); maxx[n + 1] = 0; for (i=n;i>=1;i--) maxx[i] = max(tab[i], maxx[i + 1]); minn[0] = INF; for (i=1;i<=n;i++) minn[i] = min(tab[i], minn[i - 1]); if (k == 2) { for (i=1;i<n;i++) if (minn[i] >= maxx[i + 1]) { printf("TAK\n%d\n", i); return 0; } } else if (k >= 4) { s.clear(); for (i=1;i<n;i++) if (tab[i] >= tab[i + 1]) { if (i > 1) s.insert(i - 1); s.insert(i); if (i < n - 1) s.insert(i + 1); for (j=1;j<n && s.size() < k - 1;j++) s.insert(j); printf("TAK\n", i); for (auto& w : s) printf("%d ", w); printf("\n"); return 0; } } else { c = n + 1; for (i=2;i<=n;i++) if (tab[i] == minn[n]) c = min(c, i); for (i=1;i<n;i++) if (tab[i] == maxx[1]) c = min(c, i); if (c != n + 1) { s.clear(); if (c > 1) s.insert(c - 1); if (c < n) s.insert(c); for (j=1;j<n && s.size() < k - 1;j++) s.insert(j); printf("TAK\n", i); for (auto& w : s) printf("%d ", w); printf("\n"); return 0; } } printf("NIE\n"); return 0; } |