제출 #230439

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
230439		NONAME	NLO (COCI18_nlo)	C++17	33 / 110	3090 ms	504 KiB

nlo

#include <bits/stdc++.h>
#define sz(x) int(x.size())
#define in(x) freopen(x, "r", stdin)
#define out(x) freopen(x, "w", stdout)
#define N 100500
#define oo ll(1e16)
#define ft first
#define sd second
#define pb push_back
#define ppb pop_back
#define el '\n'
#define elf endl
#define base ll(1e9 + 7)
using namespace std;
typedef long long ll;
typedef long double ld;

ll n, m, k, a[N], b[N], r[N], ans;

ll sqr(ll x) { return x * x; }

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cin >> n >> m >> k;
    for (int i = 0; i < k; i++)
        cin >> a[i] >> b[i] >> r[i], a[i]--, b[i]--;

    for (int i = 0; i < n; i++)
    for (int j = 0; j < m; j++) {
        int p = -1;

        for (int l = 0; l < k; l++)
            if (sqr(abs(i - a[l])) + sqr(abs(j - b[l])) <= sqr(r[l]))
                p = l;

        ans += k - 1 - p;
    }

    cout << ans;
}

• Subtask 1: 33 / 110