#include <bits/stdc++.h> using namespace std; #define FOR(i,l,r) for(int i = (l); i <= (r); i++) #define FORD(i,l,r) for(int i = (l); i >= (r); i--) using num = double; using ind = long long; bool solve2(vector<int> v){ int n = v.size()-1; FOR(i,1,n-1){ if(v[i] > v[i+1]) return false; else{ v[i+1] -= v[i]; v[i]=0; } } if(v[n]!=0) return false; return true; } void solve(){ int n; cin >> n; vector<int> vt; vt.resize(n+1); FOR(i,1,n){ cin >> vt[i]; } int first_no_zero=n+1; int last_no_zero=-1; FOR(i,1,n){ if(vt[i]!=0){ first_no_zero = min(first_no_zero,i); last_no_zero = max(last_no_zero,i); } } vector<int> v; vector<int> v1; vector<int> v2; vector<int> v3; v.push_back(0); v1.push_back(0); v2.push_back(0); v3.push_back(0); FOR(i,first_no_zero,last_no_zero){ v.push_back(vt[i]-1); v1.push_back(vt[i]-1); v2.push_back(vt[i]-1); v3.push_back(vt[i]-1); } v1[1]++; v2[v2.size()-1]++; v3[1]++; v3[v3.size()-1]++; if(solve2(v)) {cout << "TAK\n"; return;} if(solve2(v1)) {cout << "TAK\n"; return;} if(solve2(v2)) {cout << "TAK\n"; return;} if(solve2(v3)) {cout << "TAK\n"; return;} cout << "NIE\n"; return; } 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 63 64 65 66 67 68 69 70 71 72 | #include <bits/stdc++.h> using namespace std; #define FOR(i,l,r) for(int i = (l); i <= (r); i++) #define FORD(i,l,r) for(int i = (l); i >= (r); i--) using num = double; using ind = long long; bool solve2(vector<int> v){ int n = v.size()-1; FOR(i,1,n-1){ if(v[i] > v[i+1]) return false; else{ v[i+1] -= v[i]; v[i]=0; } } if(v[n]!=0) return false; return true; } void solve(){ int n; cin >> n; vector<int> vt; vt.resize(n+1); FOR(i,1,n){ cin >> vt[i]; } int first_no_zero=n+1; int last_no_zero=-1; FOR(i,1,n){ if(vt[i]!=0){ first_no_zero = min(first_no_zero,i); last_no_zero = max(last_no_zero,i); } } vector<int> v; vector<int> v1; vector<int> v2; vector<int> v3; v.push_back(0); v1.push_back(0); v2.push_back(0); v3.push_back(0); FOR(i,first_no_zero,last_no_zero){ v.push_back(vt[i]-1); v1.push_back(vt[i]-1); v2.push_back(vt[i]-1); v3.push_back(vt[i]-1); } v1[1]++; v2[v2.size()-1]++; v3[1]++; v3[v3.size()-1]++; if(solve2(v)) {cout << "TAK\n"; return;} if(solve2(v1)) {cout << "TAK\n"; return;} if(solve2(v2)) {cout << "TAK\n"; return;} if(solve2(v3)) {cout << "TAK\n"; return;} cout << "NIE\n"; return; } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); int t; cin >> t; while(t--){ solve(); } } |