이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "aliens.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef pair<ld, ld> pd;
typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
#define FOR(i, a, b) for (int i = a; i < (b); i++)
#define F0R(i, a) for (int i = 0; i < (a); i++)
#define FORd(i, a, b) for (int i = (b)-1; i >= a; i--)
#define F0Rd(i, a) for (int i = (a)-1; i >= 0; i--)
#define trav(a, x) for (auto &a : x)
#define uid(a, b) uniform_int_distribution<int>(a, b)(rng)
#define len(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define fst first
#define nl endl
#define sec second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define ins insert
const int MOD = 1000000007;
const int MX = INT_MAX;
const int MN = INT_MIN;
long long take_photos(int n, int m, int k, vector<int> r, vector<int> c)
{
vector<vi> arr(m, vi(m, 0));
F0R(i, n)
{
int rr = r[i], cc = c[i];
if (rr > cc)
swap(rr, cc);
FOR(j, rr, cc + 1)
FOR(l, rr, cc + 1)
arr[j][l] = 1;
}
ll ans = 0;
F0R(i, m)
F0R(j, m)
ans += arr[i][j];
return ans;
}
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