/*#pragma GCC optimize("O3")
#pragma GCC target ("avx2")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("unroll-loops")*/
#include <bits/stdc++.h>
#pragma GCC optimize ("unroll-loops,Ofast,O3")
#pragma GCC target("avx,avx2,fma")
//#define file(data) freopen(data".in", "r", stdin); freopen(data".out", "w", stdout);
#define pb push_back
//#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define all(data) data.begin() , data.end()
#define endl '\n'
//freopen("nenokku_easy.in", "r", stdin);
//freopen("nenokku_easy.out", "w", stdout);
//#define int long long
#define pii pair < int, int >
#define pll pair < long long, long long >
using namespace std;
typedef long long ll;
const int N = 1e6 + 5;
const int M = 350;
const int mod = 1e9 + 7;
int n, x[N], y[N], cnt[N][5];
main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
//file("pieaters");
cin >> n;
int ans = 0;
for(int i = 1; i <= (n << 1); i++) {
cin >> x[i] >> y[i];
if(x[i] > n) {
ans += x[i] - n;
x[i] = n;
}
if(x[i] < 1) {
ans += 1 - x[i];
x[i] = 1;
}
if(y[i] > 2) {
ans += y[i] - 2;
y[i] = 2;
}
if(y[i] < 1) {
ans += 1 - y[i];
y[i] = 1;
}
cnt[x[i]][y[i]]++;
}
int a = 0, b = 0;
for(int i = 1; i <= n; i++) {
a += cnt[i][1] - 1;
b += cnt[i][2] - 1;
int sv = min(abs(a), abs(b));
if(a < 0 && b > 0) {
a += sv;
b -= sv;
ans += sv;
} else if(a > 0 && b < 0) {
a -= sv;
b += sv;
ans += sv;
}
ans += abs(a);
ans += abs(b);
}
cout << ans;
}
/*
5 9 7
...##....
..#.##..#
..#....##
.##...#..
....#....
WS?EE??
*/
Compilation message
joi2019_ho_t4.cpp:29:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
29 | main() {
| ^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Incorrect |
0 ms |
324 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Incorrect |
0 ms |
324 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Incorrect |
0 ms |
324 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |