Submission #960787

#	Time	Username	Problem	Language	Result	Execution time	Memory
960787		ono_de206	MalnaRISC (COI21_malnarisc)	C++14	40 / 100	1 ms	348 KiB

malnarisc

#include<bits/stdc++.h>
using namespace std;

#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second

#define int long long

typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;
// typedef pair<int, int> P;

template<typename T, typename U>
ostream & operator << (ostream &out, const pair<T, U> &c) {
	out << c.first << ' ' << c.second;
	return out;
}

template<typename T>
ostream & operator << (ostream &out, vector<T> &v) {
	const int sz = v.size();
	for (int i = 0; i < sz; i++) {
		if (i) out << ' ';
		out << v[i];
	}
	return out;
}

template<typename T>
istream & operator >> (istream &in, vector<T> &v) {
	for (T &x : v) in >> x;
	return in;
}

template<typename T, typename U>
	istream & operator >> (istream &in, pair<T, U> &c) {
	in >> c.first;
	in >> c.second;
	return in;
}

template<typename T>
void mxx(T &a, T b){if(b > a) a = b;}
template<typename T>
void mnn(T &a, T b){if(b < a) a = b;}

const int mxn = 2e5 + 10, MXLOG = 22, mod = 1e9 + 7, P = 1181;// D = 1523, N = 2500;
const long long inf = 2e18 + 10;

void go() {
	int n;
	cin >> n;
	int N = 1;
	while(N < n) N <<= 1;
	vector<vector<pair<int, int>>> ans;

	auto merge = [&](auto &self, int l, int r, int dir, int id) {
		if(l == r) return id;
		int m = (l + r) / 2;
		while(ans.size() <= id) ans.pb(vector<pair<int, int>>());
		auto &ops = ans[id];
		for(int i = l; i <= m; i++) {
			int j = m + (i - l) + 1;
			if(j > n) break;
			if(dir) ops.eb(i, j);
			else ops.eb(j, i);
		}
		self(self, l, m, dir, id + 1);
		return self(self, m + 1, r, dir, id + 1);
	};

	auto solve = [&](auto &self, int l, int r, int dir) -> int {
		if(l == r) return 0;
		int m = (l + r) / 2;
		int id = self(self, l, m, 1);
		assert(id == self(self, m + 1, r, 0));

		return merge(merge, l, r, dir, id);
	};
	solve(solve, 1, N, 1);
	cout << ans.size() << endl;
	for(auto ops : ans) {
		for(auto it : ops) {
			cout << "CMPSWP R" << it.ff << " R" << it.ss << ' ';
		}
		cout << endl;
	}
}

signed main() {
	fast;
	int t = 1;
	// cin >> t;
	while(t--) {
		go();
	}
	return 0;
}

Compilation message (stderr)

malnarisc.cpp: In instantiation of 'go()::<lambda(auto:1&, long long int, long long int, long long int, long long int)> [with auto:1 = go()::<lambda(auto:1&, long long int, long long int, long long int, long long int)>]':
malnarisc.cpp:87:36:   required from here
malnarisc.cpp:69:20: warning: comparison of integer expressions of different signedness: 'std::vector<std::vector<std::pair<long long int, long long int> > >::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   69 |   while(ans.size() <= id) ans.pb(vector<pair<int, int>>());
      |         ~~~~~~~~~~~^~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 0 / 10
• Subtask 6: 10 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10