#include "aliens.h"
#include<bits/stdc++.h>
using namespace std;
const long long INF = 1e18;
long long take_photos(int n, int m, int k, std::vector<int> r, std::vector<int> c) {
if(c==r) {
for(int i = 0;i<n;i++) {
if(c[i] < r[i]) {
swap(c[i], r[i]);
}
}
vector<pair<int,int>> pts;
for(int i = 0;i<n;i++) {
pts.push_back({c[i], r[i]});
}
sort(pts.begin(), pts.end());
long long dp[n+1][k+1];
dp[0][0] = 0;
for(int i = 1;i<=n;i++) {
dp[i][0] = INF;
}
for(int i = 0;i<=k;i++)dp[0][i] = 0;
for(int i = 1;i<=n;i++) {
for(int j = 1;j<=k;j++) {
int mx = 0;
dp[i][j] = INF;
for(int z = i;z>=1;z--) {
mx = max(mx, pts[i-1].first-pts[z-1].second+1);
dp[i][j] = min(dp[i][j], dp[z-1][j-1] + mx*mx);
}
}
}
return dp[n][k];
}
else {
for(int i = 0;i<n;i++) {
if(c[i] < r[i]) {
swap(c[i], r[i]);
}
}
vector<vector<bool>> v(m, vector<bool> (m, 0));
for(int i = 0;i<n;i++) {
for(int f = min(r[i], c[i]);f<=max(r[i], c[i]);f++) {
for(int j = min(r[i], c[i]);j<=max(r[i], c[i]);j++) {
v[f][j] = 1;
}
}
}
long long ans = 0;
for(int i = 0;i<m;i++) {
for(int j = 0;j<m;j++) {
if(v[i][j]) {
ans++;
}
}
}
return ans;
}
}
