// Author: Kajetan Ramsza #include "bits/stdc++.h" using namespace std; template<typename F, typename S> ostream& operator<<(ostream& os, const pair<F, S> &p) { return os<<"("<<p.first<<", "<<p.second<<")"; } template<typename T> ostream &operator<<(ostream & os, const vector<T> &v) { os << "{"; typename vector< T > :: const_iterator it; for( it = v.begin(); it != v.end(); it++ ) { if( it != v.begin() ) os << ", "; os << *it; } return os << "}"; } template < typename T > ostream &operator << ( ostream & os, const multiset< T > &v ) { os << "["; typename multiset< T > :: const_iterator it; for ( it = v.begin(); it != v.end(); it++ ) { if( it != v.begin() ) os << ", "; os << *it; } return os << "]"; } void dbg_out() { cerr<<'\n'; } template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr<<' '<<H; dbg_out(T...); } #ifdef DEBUG #define dbg(...) cerr<<"(" << #__VA_ARGS__ <<"):", dbg_out(__VA_ARGS__) #else #define dbg(...) #endif typedef long long ll; int n, k; vector<int> vec; void solvek2() { multiset<int> left; multiset<int> right; for(int i=0;i<n;i++) right.insert(vec[i]); for(int i=0;i<n-1;i++) { right.erase(right.find(vec[i])); left.insert(vec[i]); int mini = *left.begin(); int maxi = *right.rbegin(); dbg(left, right, mini, maxi); if(mini >= maxi) { cout<<"TAK\n"; cout<<i+1<<'\n'; return; } } cout<<"NIE\n"; } void solvek3() { // vector<int> sorted = vec; // sort(sorted.begin(), sorted.end()); int mini = *min_element(vec.begin(), vec.end()); int maxi = *max_element(vec.begin(), vec.end()); dbg(mini, maxi); for(int i=1;i<n-1;i++) { if(vec[i] == mini || vec[i] == maxi) { cout<<"TAK\n"; cout<<i<<' '<<i+1<<'\n'; return; } } if(vec[0] == maxi) { cout<<"TAK\n"; cout<<"1 2"<<'\n'; } else if(vec[n-1] == mini) { cout<<"TAK\n"; cout<<"1 "<<n-1<<'\n'; } else cout<<"NIE\n"; } void solvek4() { set<int> breaks; bool correct = false; for(int i=1;i<n;i++) { if(vec[i] <= vec[i-1]) { if(i != 1) breaks.insert(i-1); breaks.insert(i); if(i != n-1) breaks.insert(i+1); correct = true; break; } } if(!correct) { cout<<"NIE\n"; return; } for(int i=1;i<=n;i++) { if((int)breaks.size() == k-1) break; breaks.insert(i); } cout<<"TAK\n"; for(auto b : breaks) { cout<<b<<' '; } cout<<'\n'; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin>>n>>k; vec.resize(n); for(auto &v : vec) cin>>v; if(k == 2) { solvek2(); } else if(k == 3) { solvek3(); } else { solvek4(); } }
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 | // Author: Kajetan Ramsza #include "bits/stdc++.h" using namespace std; template<typename F, typename S> ostream& operator<<(ostream& os, const pair<F, S> &p) { return os<<"("<<p.first<<", "<<p.second<<")"; } template<typename T> ostream &operator<<(ostream & os, const vector<T> &v) { os << "{"; typename vector< T > :: const_iterator it; for( it = v.begin(); it != v.end(); it++ ) { if( it != v.begin() ) os << ", "; os << *it; } return os << "}"; } template < typename T > ostream &operator << ( ostream & os, const multiset< T > &v ) { os << "["; typename multiset< T > :: const_iterator it; for ( it = v.begin(); it != v.end(); it++ ) { if( it != v.begin() ) os << ", "; os << *it; } return os << "]"; } void dbg_out() { cerr<<'\n'; } template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr<<' '<<H; dbg_out(T...); } #ifdef DEBUG #define dbg(...) cerr<<"(" << #__VA_ARGS__ <<"):", dbg_out(__VA_ARGS__) #else #define dbg(...) #endif typedef long long ll; int n, k; vector<int> vec; void solvek2() { multiset<int> left; multiset<int> right; for(int i=0;i<n;i++) right.insert(vec[i]); for(int i=0;i<n-1;i++) { right.erase(right.find(vec[i])); left.insert(vec[i]); int mini = *left.begin(); int maxi = *right.rbegin(); dbg(left, right, mini, maxi); if(mini >= maxi) { cout<<"TAK\n"; cout<<i+1<<'\n'; return; } } cout<<"NIE\n"; } void solvek3() { // vector<int> sorted = vec; // sort(sorted.begin(), sorted.end()); int mini = *min_element(vec.begin(), vec.end()); int maxi = *max_element(vec.begin(), vec.end()); dbg(mini, maxi); for(int i=1;i<n-1;i++) { if(vec[i] == mini || vec[i] == maxi) { cout<<"TAK\n"; cout<<i<<' '<<i+1<<'\n'; return; } } if(vec[0] == maxi) { cout<<"TAK\n"; cout<<"1 2"<<'\n'; } else if(vec[n-1] == mini) { cout<<"TAK\n"; cout<<"1 "<<n-1<<'\n'; } else cout<<"NIE\n"; } void solvek4() { set<int> breaks; bool correct = false; for(int i=1;i<n;i++) { if(vec[i] <= vec[i-1]) { if(i != 1) breaks.insert(i-1); breaks.insert(i); if(i != n-1) breaks.insert(i+1); correct = true; break; } } if(!correct) { cout<<"NIE\n"; return; } for(int i=1;i<=n;i++) { if((int)breaks.size() == k-1) break; breaks.insert(i); } cout<<"TAK\n"; for(auto b : breaks) { cout<<b<<' '; } cout<<'\n'; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin>>n>>k; vec.resize(n); for(auto &v : vec) cin>>v; if(k == 2) { solvek2(); } else if(k == 3) { solvek3(); } else { solvek4(); } } |