Submission #1041390

#	Time	Username	Problem	Language	Result	Execution time	Memory
1041390		hungeazy	Dominance (CEOI08_dominance)	C++17	30 / 100	72 ms	65536 KiB

dominance

/*
* @Author: hungeazy
* @Date:   2024-08-02 08:28:06
* @Last Modified by:   hungeazy
* @Last Modified time: 2024-08-02 09:29:19
*/
#include <bits/stdc++.h>
// #pragma GCC optimize("O3")  
// #pragma GCC optimize("unroll-loops")  
// #pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")  
using namespace std;
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define int long long
#define ull unsigned long long
#define sz(x) x.size()
#define sqr(x) (1LL * (x) * (x))
#define all(x) x.begin(), x.end()
#define fill(f,x) memset(f,x,sizeof(f))
#define FOR(i,l,r) for(int i=l;i<=r;i++)
#define FOD(i,r,l) for(int i=r;i>=l;i--)
#define ii pair<int,int>
#define iii pair<int,ii>
#define di pair<ii,ii>
#define vi vector<int>
#define vii vector<ii>
#define mii map<int,int>
#define fi first
#define se second
#define pb push_back
#define MOD 1000000007
#define __lcm(a,b) (1ll * ((a) / __gcd((a), (b))) * (b))
#define YES cout << "YES\n"
#define NO cout << "NO\n"
#define MASK(i) (1LL << (i))
#define c_bit(i) __builtin_popcountll(i)
#define BIT(x,i) ((x) & MASK(i))
#define SET_ON(x,i) ((x) | MASK(i))
#define SET_OFF(x,i) ((x) & ~MASK(i))
#define oo 1e18
#define name ""
#define endl '\n'
#define time() cerr << endl << "-------------Time:" << 1000.0 * clock() / CLOCKS_PER_SEC << "ms.";
template<typename T> bool maximize(T &res, const T &val) { if (res < val){ res = val; return true; }; return false; }
template<typename T> bool minimize(T &res, const T &val) { if (res > val){ res = val; return true; }; return false; }
const int N = (int)1e6+10;
ii a[N];
char c[N];
int r[N],h,w,n;

namespace sub1 {

	vector<vi> b;

	void BFS(ii p, int r, int type)
	{
		int val = (type?1:-1);
		int cnt = 0; bool check = false;
		FOR(i,p.fi-r,p.fi+r+1)
		{
			FOR(j,p.se-cnt,p.se+cnt)
				b[i][j] += val;
			if (!check) cnt++;
			else cnt--;
			if (cnt-1 == r) check = true, cnt -= 2;
		}
	}

	void solve(void)
	{
		b.resize(h+10,vi(w+10));
		FOR(i,1,n)
			if (c[i] == 'W') BFS(a[i],r[i],1);
			else BFS(a[i],r[i],0);
		int ans = 0, res = 0;
		FOR(i,0,h-1)
			FOR(j,0,w-1) ans += b[i][j] >= 1, res += (b[i][j] < 0);
		cout << ans << " " << res;
	}
	
}

signed main()
{
    fast;
    if (fopen(name".inp","r"))
    {
    	freopen(name".inp","r",stdin);
    	freopen(name".out","w",stdout);
    }
    cin >> h >> w >> n;
    FOR(i,1,n) cin >> c[i] >> a[i].fi >> a[i].se >> r[i];
    sub1::solve();
    time();
    return 0;
}
// ██░ ██  █    ██  ███▄    █   ▄████
//▓██░ ██▒ ██  ▓██▒ ██ ▀█   █  ██▒ ▀█▒
//▒██▀▀██░▓██  ▒██░▓██  ▀█ ██▒▒██░▄▄▄░
//░▓█ ░██ ▓▓█  ░██░▓██▒  ▐▌██▒░▓█  ██▓
//░▓█▒░██▓▒▒█████▓ ▒██░   ▓██░░▒▓███▀▒
// ▒ ░░▒░▒░▒▓▒ ▒ ▒ ░ ▒░   ▒ ▒  ░▒   ▒
// ▒ ░▒░ ░░░▒░ ░ ░ ░ ░░   ░ ▒░  ░   ░
// ░  ░░ ░ ░░░ ░ ░    ░   ░ ░ ░ ░   ░
// ░  ░  ░   ░              ░       ░

Compilation message (stderr)

dominance.cpp: In function 'int main()':
dominance.cpp:87:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   87 |      freopen(name".inp","r",stdin);
      |      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
dominance.cpp:88:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   88 |      freopen(name".out","w",stdout);
      |      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 30 / 100