#include <bits/stdc++.h>
using namespace std;
#define REP(i,a,b) for (int i = (a); i <= (b); ++i)
#define REPD(i,a,b) for (int i = (a); i >= (b); --i)
#define FORI(i,n) REP(i,1,n)
#define FOR(i,n) REP(i,0,int(n)-1)
#define mp make_pair
#define pb push_back
#define pii pair<int,int>
#define vi vector<int>
#define ll long long
#define SZ(x) int((x).size())
#define DBG(v) cerr << #v << " = " << (v) << endl;
#define FOREACH(i,t) for (typeof(t.begin()) i=t.begin(); i!=t.end(); i++)
#define fi first
#define se second
const int N = 1000100;
int n;
int a[N];
bool test() {
scanf("%d", &n);
FOR(i,n) scanf("%d", &a[i]);
int lo = -1, hi = n-1;
FOR(i,n) if (a[i]>0) {
if (lo == -1) lo = i;
hi = i;
}
REP(i,lo,hi) if (a[i]==0) return false;
REP(i,lo,hi-1) {
if (a[i] < 0) return false;
a[i+1] -= a[i];
}
//REP(i,lo,hi) printf("%d ", a[i]);
//printf("\n");
if (abs(a[hi]) > 1) return false;
if (a[hi] == 0) {
bool odd=false, even=false;
REP(i,lo,hi-1) if (a[i]==0) {
if (i&1) odd=true;
else even=true;
}
if (odd==false || even==false) return true;
return false;
}
if (a[hi] == -1) {
for (int i = hi; i > lo; i -= 2) a[i]++;
a[hi-1]--;
REP(i,lo,hi-1) if (a[i]<=0) return false;
return true;
}
if (a[hi] == 1) {
for (int i = hi-1; i > lo; i -= 2) a[i]++;
REP(i,lo,hi-1) if (a[i]<=0) return false;
return true;
}
return true;
}
int main() {
int tt;
scanf("%d", &tt);
FOR(i,tt) {
bool ok = test();
if (ok) printf("TAK\n");
else printf("NIE\n");
}
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 | #include <bits/stdc++.h> using namespace std; #define REP(i,a,b) for (int i = (a); i <= (b); ++i) #define REPD(i,a,b) for (int i = (a); i >= (b); --i) #define FORI(i,n) REP(i,1,n) #define FOR(i,n) REP(i,0,int(n)-1) #define mp make_pair #define pb push_back #define pii pair<int,int> #define vi vector<int> #define ll long long #define SZ(x) int((x).size()) #define DBG(v) cerr << #v << " = " << (v) << endl; #define FOREACH(i,t) for (typeof(t.begin()) i=t.begin(); i!=t.end(); i++) #define fi first #define se second const int N = 1000100; int n; int a[N]; bool test() { scanf("%d", &n); FOR(i,n) scanf("%d", &a[i]); int lo = -1, hi = n-1; FOR(i,n) if (a[i]>0) { if (lo == -1) lo = i; hi = i; } REP(i,lo,hi) if (a[i]==0) return false; REP(i,lo,hi-1) { if (a[i] < 0) return false; a[i+1] -= a[i]; } //REP(i,lo,hi) printf("%d ", a[i]); //printf("\n"); if (abs(a[hi]) > 1) return false; if (a[hi] == 0) { bool odd=false, even=false; REP(i,lo,hi-1) if (a[i]==0) { if (i&1) odd=true; else even=true; } if (odd==false || even==false) return true; return false; } if (a[hi] == -1) { for (int i = hi; i > lo; i -= 2) a[i]++; a[hi-1]--; REP(i,lo,hi-1) if (a[i]<=0) return false; return true; } if (a[hi] == 1) { for (int i = hi-1; i > lo; i -= 2) a[i]++; REP(i,lo,hi-1) if (a[i]<=0) return false; return true; } return true; } int main() { int tt; scanf("%d", &tt); FOR(i,tt) { bool ok = test(); if (ok) printf("TAK\n"); else printf("NIE\n"); } return 0; } |
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