#include <bits/stdc++.h> using namespace std; #define all(x) begin(x),end(x) #define pb push_back #define st first #define nd second typedef long long ll; typedef vector<int> vi; typedef vector<ll> vll; typedef pair<int,int> pii; typedef pair<ll,ll> pll; const int INF = 2e9; const ll LLINF = 2e18; void solve() { int n; cin>>n; vi a(n); for(auto& x:a) cin>>x; int l=0,r=n-1; while(a[l]==0) ++l; while(a[r]==0) --r; for(int i=l; i<=r; ++i) if(a[i]==0) { cout<<"NIE\n"; return; } int found=0; while(l<r-1) { if(a[l]>a[l+1]||a[r]>a[r-1]) { cout<<"NIE\n"; return; } if(a[l]<a[l+1]) { a[l+1]-=(a[l]-found); ++l; continue; } if(a[r]<a[r-1]) { a[r-1]-=a[r]; --r; continue; } found=1; ++l; a[l]=1; } if(l==r) { if(a[l]==1) cout<<"TAK\n"; else cout<<"NIE\n"; return; } if(a[l]==a[r] || (found==0 && (a[l]==a[r]+1||a[l]==a[r]-1))) cout<<"TAK\n"; else cout<<"NIE\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int z; cin>>z; while(z--) 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 78 79 80 81 82 83 84 85 86 87 | #include <bits/stdc++.h> using namespace std; #define all(x) begin(x),end(x) #define pb push_back #define st first #define nd second typedef long long ll; typedef vector<int> vi; typedef vector<ll> vll; typedef pair<int,int> pii; typedef pair<ll,ll> pll; const int INF = 2e9; const ll LLINF = 2e18; void solve() { int n; cin>>n; vi a(n); for(auto& x:a) cin>>x; int l=0,r=n-1; while(a[l]==0) ++l; while(a[r]==0) --r; for(int i=l; i<=r; ++i) if(a[i]==0) { cout<<"NIE\n"; return; } int found=0; while(l<r-1) { if(a[l]>a[l+1]||a[r]>a[r-1]) { cout<<"NIE\n"; return; } if(a[l]<a[l+1]) { a[l+1]-=(a[l]-found); ++l; continue; } if(a[r]<a[r-1]) { a[r-1]-=a[r]; --r; continue; } found=1; ++l; a[l]=1; } if(l==r) { if(a[l]==1) cout<<"TAK\n"; else cout<<"NIE\n"; return; } if(a[l]==a[r] || (found==0 && (a[l]==a[r]+1||a[l]==a[r]-1))) cout<<"TAK\n"; else cout<<"NIE\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int z; cin>>z; while(z--) solve(); return 0; } |