#include<bits/stdc++.h> using namespace std; #define ll long long bool check(vector<ll> a, int start, int end){ if(start > end) return 0; int n = a.size(); vector<ll> b(n); b[0] = a[0]; for(int i=1; i<n; i++){ b[i] = a[i] - b[i-1]; } for(int i = start+1; i<n; i+=2) b[i]++; for(int i = end; i<n; i+=2) b[i]--; for(int i=0; i<n-1; i++){ if(b[i]<=0) return 0; } if(b[n-1]==0) return 1; return 0; } void solve(){ int n; cin >> n; vector<ll> a(n); int l=-1, r=0; for(int i=0; i<n; i++){ cin >> a[i]; if(a[i]>0){ if(l<0) l = i; r = i; } } vector<ll> v; for(int i=l; i<=r; i++){ if(a[i]==0){ cout << "NIE\n"; return; } v.push_back(a[i]); } n = v.size(); for(int i=0; i<2; i++){ for(int j = n-2; j<n; j++){ if(check(v, i, j)){ cout << "TAK\n"; return; } } } cout << "NIE\n"; } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); int t; cin >> t; while(t--){ solve(); } }
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 | #include<bits/stdc++.h> using namespace std; #define ll long long bool check(vector<ll> a, int start, int end){ if(start > end) return 0; int n = a.size(); vector<ll> b(n); b[0] = a[0]; for(int i=1; i<n; i++){ b[i] = a[i] - b[i-1]; } for(int i = start+1; i<n; i+=2) b[i]++; for(int i = end; i<n; i+=2) b[i]--; for(int i=0; i<n-1; i++){ if(b[i]<=0) return 0; } if(b[n-1]==0) return 1; return 0; } void solve(){ int n; cin >> n; vector<ll> a(n); int l=-1, r=0; for(int i=0; i<n; i++){ cin >> a[i]; if(a[i]>0){ if(l<0) l = i; r = i; } } vector<ll> v; for(int i=l; i<=r; i++){ if(a[i]==0){ cout << "NIE\n"; return; } v.push_back(a[i]); } n = v.size(); for(int i=0; i<2; i++){ for(int j = n-2; j<n; j++){ if(check(v, i, j)){ cout << "TAK\n"; return; } } } cout << "NIE\n"; } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); int t; cin >> t; while(t--){ solve(); } } |