#include<bits/stdc++.h>
#pragma optimize ("g",on)
#pragma GCC optimize ("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")
#pragma comment(linker, "/stack:200000000")
//01001101 01100001 01101011 01101000 01100001 01100111 01100001 01111001
using namespace std;
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define ll long long
#define pb push_back
#define sz(a) a.size()
#define nl '\n'
#define popb pop_back()
#define ld double
#define ull unsigned long long
#define ff first
#define ss second
#define fix fixed << setprecision
#define pii pair<int, int>
#define E exit (0)
#define int long long
const int inf = 1e18, N = 1e6 + 1, mod = 998244353;
vector<pii> dir = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};
int c[N][3];
main() {
//freopen("cowrect.in", "r", stdin);
//freopen("cowrect.out", "w", stdout);
ios_base::sync_with_stdio(NULL);
cin.tie(NULL);
int n, ans = 0;
cin >> n;
for (int i = 1, x, y; i <= n * 2; i++) {
cin >> x >> y;
if (x >= 1 && x <= n) {
if (y <= 1) c[x][1]++, ans += 1 - y;
if (y >= 2) c[x][2]++, ans += y - 2;
}else if (y == 1 || y == 2) {
if (x > n) c[n][y]++, ans += x - n;
if (x < 1) c[1][y]++, ans += 1 - x;
}else {
if (x < 1) {
if (y < 1) c[1][1]++, ans += 1 - x + 1 - y;
if (y > 2) c[1][2]++, ans += 1 - x + y - 2;
}else {
if (y < 1) c[n][1]++, ans += x - n + 1 - y;
if (y > 2) c[n][2]++, ans += x - n + y - 2;
}
}
}
int u = 0, d = 0;
for (int i = 1; i <= n; i++) {
if (c[i][1] > 1 && !c[i][2]) {
ans++;
c[i][1]--;
c[i][2]++;
}
if (c[i][2] > 1 && !c[i][1]) {
ans++;
c[i][2]--;
c[i][1]++;
}
int x = max(0ll, min(d, c[i][1] - 1));
d -= x;
c[i][1] -= x;
x = max(0ll, min(u, c[i][2] - 1));
u -= x;
c[i][2] -= x;
x = max(0ll, min(d, c[i][2] - 1));
d -= x;
c[i][2] -= x;
ans += x;
x = max(0ll, min(u, c[i][1] - 1));
u -= x;
c[i][1] -= x;
ans += x;
if (c[i][1] > 1) {
c[i + 1][1] += c[i][1] - 1;
ans += c[i][1] - 1;
c[i][1] = 1;
}
if (c[i][2] > 1) {
c[i + 1][2] += c[i][2] - 1;
ans += c[i][2] - 1;
c[i][2] = 1;
}
if (!c[i][1]) d++;
if (!c[i][2]) u++;
ans += u + d;
}
cout << ans;
}
Compilation message
joi2019_ho_t4.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
3 | #pragma optimize ("g",on)
|
joi2019_ho_t4.cpp:9: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
9 | #pragma comment(linker, "/stack:200000000")
|
joi2019_ho_t4.cpp:37:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
37 | main() {
| ^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
320 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
324 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
324 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 10 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
320 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
324 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
324 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 10 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
320 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
324 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
324 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 10 |
Halted |
0 ms |
0 KB |
- |
