#include <algorithm>
#include <cassert>
#include <iostream>
#include <tuple>
#include <vector>
using namespace std;
namespace {
using ll = long long;
bool solve(vector<tuple<int, int, int>> const& data)
{
vector<pair<int, int>> src;
vector<pair<int, int>> dst;
for (auto const& [l, a, b]: data) {
src.emplace_back(a, l);
dst.emplace_back(b, l);
}
sort(src.begin(), src.end());
sort(dst.begin(), dst.end());
ll e = 0;
auto i = src.begin();
auto j = dst.begin();
while (i != src.end() && j != dst.end()) {
auto a = i->first;
auto b = j->first;
auto l = min(i->second, j->second);
e += ll{b - a} * l;
if (e < 0) return false;
i->second -= l;
if (i->second == 0) ++i;
j->second -= l;
if (j->second == 0) ++j;
}
return e == 0;
}
}
int main()
{
iostream::sync_with_stdio(false);
cin.tie(nullptr);
int t;
cin >> t;
while (t > 0) {
--t;
int n;
cin >> n;
vector<tuple<int, int, int>> data(n);
for (auto& [l, a, b]: data) {
cin >> l >> a >> b;
}
cout << (solve(data) ? "TAK\n": "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 | #include <algorithm> #include <cassert> #include <iostream> #include <tuple> #include <vector> using namespace std; namespace { using ll = long long; bool solve(vector<tuple<int, int, int>> const& data) { vector<pair<int, int>> src; vector<pair<int, int>> dst; for (auto const& [l, a, b]: data) { src.emplace_back(a, l); dst.emplace_back(b, l); } sort(src.begin(), src.end()); sort(dst.begin(), dst.end()); ll e = 0; auto i = src.begin(); auto j = dst.begin(); while (i != src.end() && j != dst.end()) { auto a = i->first; auto b = j->first; auto l = min(i->second, j->second); e += ll{b - a} * l; if (e < 0) return false; i->second -= l; if (i->second == 0) ++i; j->second -= l; if (j->second == 0) ++j; } return e == 0; } } int main() { iostream::sync_with_stdio(false); cin.tie(nullptr); int t; cin >> t; while (t > 0) { --t; int n; cin >> n; vector<tuple<int, int, int>> data(n); for (auto& [l, a, b]: data) { cin >> l >> a >> b; } cout << (solve(data) ? "TAK\n": "NIE\n"); } return 0; } |
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