#ifdef DEBUG
#define _GLIBCXX_DEBUG
#endif
//#pragma GCC optimize("O3")
#include<bits/stdc++.h>
using namespace std;
#ifdef DEBUG
#include "lib/debug.h"
#else
#define debug(...) 228
#endif
#define pb push_back
typedef long long ll;
typedef long double ld;
const int maxN = 1e6 + 10;
ll a[maxN];
ll b[maxN];
int n;
ll c[maxN];
ll p[maxN];
void solve() {
cin >> n;
int l = -1;
int r = -1;
for (int i = 1; i <= n; i++) {
cin >> a[i];
if (a[i] != 0 && l == -1) l = i;
if (a[i] != 0) r = i;
}
for (int i = l; i <= r; i++) {
if (a[i] == 0) {
cout << "NIE\n";
return;
}
}
n = r - l + 1;
for (int i = l; i <= r; i++) {
b[i - l + 1] = a[i];
}
for (int x = 1; x <= 2; x++) {
for (int y = n - 1; y <= n; y++) {
if (x > y) continue;
assert(1 <= x && x <= y && y <= n);
for (int i = 1; i <= n; i++) {
c[i] = b[i];
if (x <= i && i <= y) c[i]--;
}
for (int i = 1; i <= n; i++) {
p[i] = c[i] - p[i - 1];
}
if (p[n] != 0) continue;
bool ok = true;
for (int i = 1; i < n; i++) {
if (p[i] < 0) ok = false;
}
if (ok) {
cout << "TAK\n";
return;
}
}
}
cout << "NIE\n";
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
#ifdef DEBUG
freopen("all.in", "r", stdin);
#endif
auto start = std::chrono::high_resolution_clock::now();
int tst;
cin >> tst;
while (tst--) {
solve();
}
auto end = std::chrono::high_resolution_clock::now();
std::cerr << "Execution Time: "
<< std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count()
<< " ms" << std::endl;
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 | #ifdef DEBUG #define _GLIBCXX_DEBUG #endif //#pragma GCC optimize("O3") #include<bits/stdc++.h> using namespace std; #ifdef DEBUG #include "lib/debug.h" #else #define debug(...) 228 #endif #define pb push_back typedef long long ll; typedef long double ld; const int maxN = 1e6 + 10; ll a[maxN]; ll b[maxN]; int n; ll c[maxN]; ll p[maxN]; void solve() { cin >> n; int l = -1; int r = -1; for (int i = 1; i <= n; i++) { cin >> a[i]; if (a[i] != 0 && l == -1) l = i; if (a[i] != 0) r = i; } for (int i = l; i <= r; i++) { if (a[i] == 0) { cout << "NIE\n"; return; } } n = r - l + 1; for (int i = l; i <= r; i++) { b[i - l + 1] = a[i]; } for (int x = 1; x <= 2; x++) { for (int y = n - 1; y <= n; y++) { if (x > y) continue; assert(1 <= x && x <= y && y <= n); for (int i = 1; i <= n; i++) { c[i] = b[i]; if (x <= i && i <= y) c[i]--; } for (int i = 1; i <= n; i++) { p[i] = c[i] - p[i - 1]; } if (p[n] != 0) continue; bool ok = true; for (int i = 1; i < n; i++) { if (p[i] < 0) ok = false; } if (ok) { cout << "TAK\n"; return; } } } cout << "NIE\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); #ifdef DEBUG freopen("all.in", "r", stdin); #endif auto start = std::chrono::high_resolution_clock::now(); int tst; cin >> tst; while (tst--) { solve(); } auto end = std::chrono::high_resolution_clock::now(); std::cerr << "Execution Time: " << std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count() << " ms" << std::endl; return 0; } |
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