#include<algorithm>
#include<iostream>
#include<vector>
struct Interval
{
unsigned a, b;
Interval(unsigned a, unsigned b): a(a), b(b) {}
bool operator<(const Interval &i) const
{
return (i.a < a && b <= i.b) || (i.a <= a && b < i.b);
}
bool operator<=(const Interval &i) const
{
return i.a <= a && b <= i.b;
}
};
struct Mirror
{
Interval w, h;
Mirror(unsigned a, unsigned b, unsigned c, unsigned d): w(a, b), h(c, d) {}
bool operator<(const Mirror &m) const
{
return (w < m.w && h <= m.h) || (w <= m.w && h < m.h);
}
bool operator<=(const Mirror &m) const
{
return w <= m.w && h <= m.h;
}
};
bool check(const std::vector<Mirror> &v)
{
const Mirror *c = &v.front();
for(const Mirror &i: v)
if(*c < i)
c = &i;
for(const Mirror &i: v)
if(!(i <= *c))
return false;
return true;
}
int main()
{
std::ios_base::sync_with_stdio(false);
unsigned t;
std::cin >> t;
while(t--)
{
unsigned n;
std::cin >> n;
std::vector<Mirror> v;
v.reserve(n);
for(unsigned i = 0; i < n; ++i)
{
unsigned a, b, c, d;
std::cin >> a >> b >> c >> d;
v.emplace_back(a, b, c, d);
}
if(check(v))
std::cout << "TAK" << std::endl;
else
std::cout << "NIE" << 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 | #include<algorithm> #include<iostream> #include<vector> struct Interval { unsigned a, b; Interval(unsigned a, unsigned b): a(a), b(b) {} bool operator<(const Interval &i) const { return (i.a < a && b <= i.b) || (i.a <= a && b < i.b); } bool operator<=(const Interval &i) const { return i.a <= a && b <= i.b; } }; struct Mirror { Interval w, h; Mirror(unsigned a, unsigned b, unsigned c, unsigned d): w(a, b), h(c, d) {} bool operator<(const Mirror &m) const { return (w < m.w && h <= m.h) || (w <= m.w && h < m.h); } bool operator<=(const Mirror &m) const { return w <= m.w && h <= m.h; } }; bool check(const std::vector<Mirror> &v) { const Mirror *c = &v.front(); for(const Mirror &i: v) if(*c < i) c = &i; for(const Mirror &i: v) if(!(i <= *c)) return false; return true; } int main() { std::ios_base::sync_with_stdio(false); unsigned t; std::cin >> t; while(t--) { unsigned n; std::cin >> n; std::vector<Mirror> v; v.reserve(n); for(unsigned i = 0; i < n; ++i) { unsigned a, b, c, d; std::cin >> a >> b >> c >> d; v.emplace_back(a, b, c, d); } if(check(v)) std::cout << "TAK" << std::endl; else std::cout << "NIE" << std::endl; } return 0; } |
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