Submission #520469

#	Time	Username	Problem	Language	Result	Execution time	Memory
520469		kartel	MalnaRISC (COI21_malnarisc)	C++14	0 / 100	1 ms	204 KiB

malnarisc

#include <bits/stdc++.h>
//#include<ext/rope>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC target("avx2")


#define in(x) freopen(x, "r", stdin)
#define out(x) freopen(x, "w", stdout)
#define F first
#define S second
#define pb push_back
#define sz(x) int(x.size())
#define el '\n'
#define all(x) x.begin(), x.end()

using namespace std;
//using namespace __gnu_pbds;
//using  namespace __gnu_cxx;

typedef long long ll;
typedef long double ld;
typedef short int si;
typedef unsigned long long ull;
//typedef tree <ll, null_type, less <ll> , rb_tree_tag, tree_order_statistics_node_update> ordered_set;

vector <vector <pair <int, int> > > ans;

void solve(int l, int r, int d) {
    if (l == r){
        return;
    }
    while (d >= sz(ans)) {
        ans.pb({});
    }

    int md = (l + r) >> 1;
    for (int i = l, j = md + 1; i <= md; i++, j++) {
        if (j <= r) {
            ans[d].pb({i, j});
        }
    }
    solve(l, md, d + 1);
    solve(md + 1, r, d + 1);
}

int main()
{
//    cerr.precision(7);
//    cerr << fixed;
    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);
//    in("23.in");
//    in("input.txt");
//    out("output.txt");
//    clock_t start = clock();

    int n;
    cin >> n;

    solve(1, n, 0);
    cout << sz(ans) << el;
    for (auto x : ans) {
        for (auto [p1, p2] : x) {
            cout << "CMPSWP R" << p1 << " R" << p2 << " ";
        }
        cout << el;
    }
}

Compilation message (stderr)

malnarisc.cpp: In function 'int main()':
malnarisc.cpp:67:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   67 |         for (auto [p1, p2] : x) {
      |                   ^

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