#include <bits/stdc++.h>
using namespace std;
#ifdef DEBUG
auto operator<<(auto&o,auto p)->decltype(p.first,o){return o<<'('<<p.first<<", "<<p.second <<')';}
auto operator<<(auto&o,auto x)->decltype(x.end(),o){o<<'{';int i=2;for(auto e:x)o<<(", ")+i<<e,i=0;return o<<'}';}
#define LOG(x...)cerr<<"["#x"]: ",[](auto...$){((cerr<<$<<"; "),...)<<endl;}(x);
#else
#define LOG(x...)(void)0
#endif
typedef long long ll;
typedef pair<ll,ll> pll;
typedef pair<int, int> pii;
mt19937 rng((uint32_t)chrono::steady_clock::now().time_since_epoch().count());
#define all(x) (x).begin(),(x).end()
#define endl '\n'
#define size(x) x.size()
const ll INF = 9223372036854775806;
const ll MAX_N = 1e9+1;
const ll MOD = 1e9+7; // 998244353
void solveTestCase() {
int N;
cin >> N;
vector<int> valuesArray(N);
for (int &x : valuesArray) { cin >> x; }
int L = 0;
while (L < N && valuesArray[L] == 0) { L++; }
int R = N - 1;
while (R >= 0 && valuesArray[R] == 0) { R--; }
if (L > R) { cout << "NIE" << endl; return; }
bool isValid = true;
for (int i = L; i <= R; ++i) {
if (valuesArray[i] == 0) {
isValid = false;
break;
}
}
if (!isValid) {
cout << "NIE" << endl;
return;
}
long long evenSum = 0, oddSum = 0;
for (int i = 0; i < N; i++) {
if ((i + 1) % 2 == 0) {
evenSum += valuesArray[i];
} else {
oddSum += valuesArray[i];
}
}
if (abs(evenSum - oddSum) > 1) { cout << "NIE" << endl; return; }
if (valuesArray[L] < 1 || valuesArray[R] < 1) { cout << "NIE" << endl; return; }
int maxValue = *max_element(valuesArray.begin() + L, valuesArray.begin() + R + 1);
int rightPeak = R;
while (rightPeak >= L && valuesArray[rightPeak] != maxValue) {
rightPeak--;
}
for (int i = L; i < rightPeak; ++i) {
if (valuesArray[i] > valuesArray[i + 1]) {
isValid = false;
break;
}
}
if (!isValid) { cout << "NIE" << endl; return; }
for (int i = rightPeak; i < R; ++i) {
if (valuesArray[i] < valuesArray[i + 1]) {
isValid = false;
break;
}
}
cout << (isValid ? "TAK" : "NIE") << endl;
}
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int T;
cin >> T;
while(T--) {
solveTestCase();
}
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 88 89 90 91 92 93 94 95 96 | #include <bits/stdc++.h> using namespace std; #ifdef DEBUG auto operator<<(auto&o,auto p)->decltype(p.first,o){return o<<'('<<p.first<<", "<<p.second <<')';} auto operator<<(auto&o,auto x)->decltype(x.end(),o){o<<'{';int i=2;for(auto e:x)o<<(", ")+i<<e,i=0;return o<<'}';} #define LOG(x...)cerr<<"["#x"]: ",[](auto...$){((cerr<<$<<"; "),...)<<endl;}(x); #else #define LOG(x...)(void)0 #endif typedef long long ll; typedef pair<ll,ll> pll; typedef pair<int, int> pii; mt19937 rng((uint32_t)chrono::steady_clock::now().time_since_epoch().count()); #define all(x) (x).begin(),(x).end() #define endl '\n' #define size(x) x.size() const ll INF = 9223372036854775806; const ll MAX_N = 1e9+1; const ll MOD = 1e9+7; // 998244353 void solveTestCase() { int N; cin >> N; vector<int> valuesArray(N); for (int &x : valuesArray) { cin >> x; } int L = 0; while (L < N && valuesArray[L] == 0) { L++; } int R = N - 1; while (R >= 0 && valuesArray[R] == 0) { R--; } if (L > R) { cout << "NIE" << endl; return; } bool isValid = true; for (int i = L; i <= R; ++i) { if (valuesArray[i] == 0) { isValid = false; break; } } if (!isValid) { cout << "NIE" << endl; return; } long long evenSum = 0, oddSum = 0; for (int i = 0; i < N; i++) { if ((i + 1) % 2 == 0) { evenSum += valuesArray[i]; } else { oddSum += valuesArray[i]; } } if (abs(evenSum - oddSum) > 1) { cout << "NIE" << endl; return; } if (valuesArray[L] < 1 || valuesArray[R] < 1) { cout << "NIE" << endl; return; } int maxValue = *max_element(valuesArray.begin() + L, valuesArray.begin() + R + 1); int rightPeak = R; while (rightPeak >= L && valuesArray[rightPeak] != maxValue) { rightPeak--; } for (int i = L; i < rightPeak; ++i) { if (valuesArray[i] > valuesArray[i + 1]) { isValid = false; break; } } if (!isValid) { cout << "NIE" << endl; return; } for (int i = rightPeak; i < R; ++i) { if (valuesArray[i] < valuesArray[i + 1]) { isValid = false; break; } } cout << (isValid ? "TAK" : "NIE") << endl; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); int T; cin >> T; while(T--) { solveTestCase(); } return 0; } |
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