문제
링크
풀이
#include <algorithm>
#include <cmath>
#include <iostream>
#include <vector>
using namespace std;
inline int calc(const vector<double> &v, double x) {
int ret = 0;
for (int i=0; i<v.size(); i++) {
if (v[i] < x) ret++;
}
return ret;
}
void solve(void) {
int n; cin >> n;
int a = 0, b = 0;
while (n--) {
int m, k; cin >> m >> k;
vector<double> p, q;
while (m--) {
int x, y; cin >> x >> y;
p.push_back(hypot(x, y));
}
while (k--) {
int x, y; cin >> x >> y;
q.push_back(hypot(x, y));
}
sort(p.begin(), p.end());
sort(q.begin(), q.end());
if (p[0] < q[0]) a += calc(p, q[0]);
if (p[0] > q[0]) b += calc(q, p[0]);
}
cout << a << ":" << b;
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}