// testowane tylko na tescie przykladowym ;-)
#include <cstdio>
#include <algorithm>
#include <cmath>
#include <vector>
#include <cassert>
using namespace std;
struct Car
{
int height,right,id;
};
bool cmp_right(const Car& a, const Car& b)
{
return a.right<b.right;
}
void solve_set()
{
int n,w;
scanf(" %d %d", &n, &w);
vector<Car> start,target;
start.reserve(n);
target.reserve(n);
for(int i=0; i<n; ++i)
{
int x1,y1,x2,y2;
scanf(" %d %d %d %d", &x1, &y1, &x2, &y2);
Car car;
car.right = max(x1,x2);
car.height = abs(y1-y2);
car.id = i;
start.push_back(car);
}
for(int i=0; i<n; ++i)
{
int x1,y1,x2,y2;
scanf(" %d %d %d %d", &x1, &y1, &x2, &y2);
Car car;
car.right = max(x1,x2);
car.height = abs(y1-y2);
car.id = i;
target.push_back(car);
}
sort(start.begin(),start.end(),cmp_right);
sort(target.begin(),target.end(),cmp_right);
vector<int> pos_by_id;
pos_by_id.resize(n);
for(unsigned int i=0;i<start.size();++i)
{
pos_by_id[start[i].id] = i;
}
int group_size = sqrt(n);
if(group_size<2)
group_size=2;
int group_count = n/group_size;
if(n%group_size)
group_count++;
vector<int> group_maximums(group_count,0);
for(int i=0; i<n; ++i)
group_maximums[i/group_size] = max(group_maximums[i/group_size],start[i].height);
for(unsigned int i=0;i<target.size();++i)
{
int pos = pos_by_id[target[i].id];
int maximum=0;
int full_groups = pos/group_size;
for(int g=0; g<full_groups; ++g)
maximum = max(maximum,group_maximums[g]);
for(int j=full_groups*group_size; j<pos; ++j)
maximum = max(maximum,start[j].height);
if(w-maximum>=start[pos].height)
{
start[pos].height = 0;
int group_id = pos/group_size;
int start_at = group_id*group_size;
int end_at = min(start_at+group_size,n);
group_maximums[group_id] = 0;
for(int j=start_at; j<end_at; ++j)
group_maximums[group_id] = max(group_maximums[group_id],start[j].height);
break;
}
else
{
printf("NIE\n");
return;
}
}
printf("TAK\n");
}
int main()
{
int t;
scanf(" %d", &t);
for(int i=0; i<t; ++i)
solve_set();
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 97 98 99 100 101 102 103 104 105 106 107 | // testowane tylko na tescie przykladowym ;-) #include <cstdio> #include <algorithm> #include <cmath> #include <vector> #include <cassert> using namespace std; struct Car { int height,right,id; }; bool cmp_right(const Car& a, const Car& b) { return a.right<b.right; } void solve_set() { int n,w; scanf(" %d %d", &n, &w); vector<Car> start,target; start.reserve(n); target.reserve(n); for(int i=0; i<n; ++i) { int x1,y1,x2,y2; scanf(" %d %d %d %d", &x1, &y1, &x2, &y2); Car car; car.right = max(x1,x2); car.height = abs(y1-y2); car.id = i; start.push_back(car); } for(int i=0; i<n; ++i) { int x1,y1,x2,y2; scanf(" %d %d %d %d", &x1, &y1, &x2, &y2); Car car; car.right = max(x1,x2); car.height = abs(y1-y2); car.id = i; target.push_back(car); } sort(start.begin(),start.end(),cmp_right); sort(target.begin(),target.end(),cmp_right); vector<int> pos_by_id; pos_by_id.resize(n); for(unsigned int i=0;i<start.size();++i) { pos_by_id[start[i].id] = i; } int group_size = sqrt(n); if(group_size<2) group_size=2; int group_count = n/group_size; if(n%group_size) group_count++; vector<int> group_maximums(group_count,0); for(int i=0; i<n; ++i) group_maximums[i/group_size] = max(group_maximums[i/group_size],start[i].height); for(unsigned int i=0;i<target.size();++i) { int pos = pos_by_id[target[i].id]; int maximum=0; int full_groups = pos/group_size; for(int g=0; g<full_groups; ++g) maximum = max(maximum,group_maximums[g]); for(int j=full_groups*group_size; j<pos; ++j) maximum = max(maximum,start[j].height); if(w-maximum>=start[pos].height) { start[pos].height = 0; int group_id = pos/group_size; int start_at = group_id*group_size; int end_at = min(start_at+group_size,n); group_maximums[group_id] = 0; for(int j=start_at; j<end_at; ++j) group_maximums[group_id] = max(group_maximums[group_id],start[j].height); break; } else { printf("NIE\n"); return; } } printf("TAK\n"); } int main() { int t; scanf(" %d", &t); for(int i=0; i<t; ++i) solve_set(); return 0; } |
English