#include "aliens.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef complex<ld> point;
void debug_out() {cerr << endl;}
template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T){
cerr << H << ' ';
debug_out(T...);
}
#define debug(...) cerr << "(" << #__VA_ARGS__ << "): ", debug_out(__VA_ARGS__)
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define MP(x, y) make_pair(x, y)
const int maxn = 100 + 10;
multiset<int> st;
vector<int> val[maxn];
long long take_photos(int n, int m, int k, std::vector<int> r, std::vector<int> c) {
for (int i = 0; i < n; i++){
if (r[i] > c[i]) swap(r[i], c[i]);
val[r[i]].push_back(r[i]);
val[c[i]].push_back(r[i]);
}
ll ans = 0;
for (int i = 0; i < m; i++){
for (auto x: val[i]){
if (x == i) st.insert(i);
}
if (st.empty()) continue;
int tmp = *(st.begin());
ans += 2 * (i - tmp) + 1;
for (auto x: val[i]){
if (x != i) st.erase(st.find(x));
}
}
return ans;
}
