#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e6+2;
int n, a[MAXN], in_l[MAXN], in_r[MAXN], out_l[MAXN], out_r[MAXN];
void solve () {
cin >> n;
a[0] = a[n + 1] = 0;
for (int i = 1; i <= n; i++)
cin >> a[i];
bool exists = 0;
for (int s = 1; s <= n; s++) {
for (int e = 1; e <= n; e++) {
bool ok = 1;
for (int i = 1; i <= n; i++)
in_l[i] = in_r[i] = out_l[i] = out_r[i] = 0;
in_r[1] = a[1] - (1 == s);
out_r[1] = a[1] - (1 == e);
for (int i = 2; i <= n; i++) {
in_l[i] = out_r[i - 1];
in_r[i] = a[i] - in_l[i] - (i == s);
out_l[i] = in_r[i - 1];
out_r[i] = a[i] - out_l[i] - (i == e);
}
if (in_l[1]) ok = 0;
if (out_r[n]) ok = 0;
for (int i = 1; i <= n; i++) {
if (in_l[i] < 0 || in_r[i] < 0) ok = 0;
if (out_l[i] < 0 || out_r[i] < 0) ok = 0;
if (a[i] && s < i && !in_l[i]) ok = 0;
if (a[i] && i < s && !in_r[i]) ok = 0;
if (a[i] && e < i && !out_l[i]) ok = 0;
if (a[i] && i < e && !out_r[i]) ok = 0;
}
if (ok) {
exists = 1;
break;
}
}
}
cout << (exists ? "TAK\n" : "NIE\n");
}
int main () {
ios_base::sync_with_stdio(0);
cin.tie(0);
int tt; cin >> tt;
while (tt--) 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; const int MAXN = 1e6+2; int n, a[MAXN], in_l[MAXN], in_r[MAXN], out_l[MAXN], out_r[MAXN]; void solve () { cin >> n; a[0] = a[n + 1] = 0; for (int i = 1; i <= n; i++) cin >> a[i]; bool exists = 0; for (int s = 1; s <= n; s++) { for (int e = 1; e <= n; e++) { bool ok = 1; for (int i = 1; i <= n; i++) in_l[i] = in_r[i] = out_l[i] = out_r[i] = 0; in_r[1] = a[1] - (1 == s); out_r[1] = a[1] - (1 == e); for (int i = 2; i <= n; i++) { in_l[i] = out_r[i - 1]; in_r[i] = a[i] - in_l[i] - (i == s); out_l[i] = in_r[i - 1]; out_r[i] = a[i] - out_l[i] - (i == e); } if (in_l[1]) ok = 0; if (out_r[n]) ok = 0; for (int i = 1; i <= n; i++) { if (in_l[i] < 0 || in_r[i] < 0) ok = 0; if (out_l[i] < 0 || out_r[i] < 0) ok = 0; if (a[i] && s < i && !in_l[i]) ok = 0; if (a[i] && i < s && !in_r[i]) ok = 0; if (a[i] && e < i && !out_l[i]) ok = 0; if (a[i] && i < e && !out_r[i]) ok = 0; } if (ok) { exists = 1; break; } } } cout << (exists ? "TAK\n" : "NIE\n"); } int main () { ios_base::sync_with_stdio(0); cin.tie(0); int tt; cin >> tt; while (tt--) solve(); } |
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