Submission #588787

#	Time	Username	Problem	Language	Result	Execution time	Memory
588787		Red_Inside	Ants and Sugar (JOI22_sugar)	C++17	0 / 100	1 ms	340 KiB

sugar

//
#include <bits/stdc++.h>

#define ll long long
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define o cout<<"BUG"<<endl;
#define FOR(i, j, n) for(int j = i; j < n; ++j)
#define forn(i, j, n) for(int j = i; j <= n; ++j)
#define nfor(i, j, n) for(int j = n; j >= i; --j)
#define sortv(vv) sort(vv.begin(), vv.end())
#define all(v) v.begin(), v.end()
#define ld long double
#define ull unsigned long long

using namespace std;
const int maxn=1e6+10,LOG=17, mod=1e9+7;
int block = 320, timer = 0;
const ld EPS = 1e-18;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define IOS ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);

#define bt(i) (1 << (i))
#define int ll
const ll inf=1e9+10;
#define y1 yy
#define prev pre
#define pii pair <int, int>

int q, l, ty[maxn], x[maxn], a[maxn], n, sug[maxn], ants[maxn];
vector <int> vec;
map <int, int> mapp;

main()
{
	IOS
	cin >> q >> l;
	forn(1, i, q)
	{
		cin >> ty[i] >> x[i] >> a[i];
		vec.pb(x[i]);
	}
	sort(all(vec));
	vec.erase(unique(all(vec)), vec.end());
	n = vec.size();
	FOR(0, i, n)
	{
		mapp[x[i]] = i + 1;
	}
	forn(1, i, q)
	{
		x[i] = mapp[x[i]];
	}
	forn(1, iter, q)
	{
		if(ty[iter] == 1)
		{
			ants[x[iter]] += a[iter];
		}
		else
		{
			sug[x[iter]] += a[iter];
		}
		stack <pii> stac;
		nfor(1, i, n)
		{
			if(sug[i]) stac.push({sug[i], i});
		}
		int ans = 0;
		forn(1, i, n)
		{
			while(stac.size() && stac.top().s < i && vec[i] - vec[stac.top().s] > l)
			{
				stac.pop();
			}
			int temp = ants[i];
			while(temp && stac.size() && abs(vec[i] - vec[stac.top().s]) <= l)
			{
				if(stac.top().f < temp)
				{
					temp -= stac.top().f;
					ans += stac.top().f;
					stac.pop();
				}
				else
				{
					stac.top().f -= temp;
					ans += temp;
					temp = 0;
				}
			}
		}
		cout << ans << "\n";
	}
}

Compilation message (stderr)

sugar.cpp:36:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   36 | main()
      | ^~~~

• Subtask 1: 0 / 6
• Subtask 2: 0 / 16
• Subtask 3: 0 / 26
• Subtask 4: 0 / 52