제출 #520521

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
520521		kartel	MalnaRISC (COI21_malnarisc)	C++14	0 / 100	1 ms	332 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 <pair <int, int> > ans[200];
int mx_d = 0;
int D[100];

void solve(int l, int r, int d) {
    if (l == r){
        return;
    }

    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);
}

void solve1(int l, int r, int d, bool need_ret) {
    if (l == r){
        return;
    }

    int md = (l + r) >> 1;
    if (!need_ret) {
        solve1(l, md, d + 1, 0);
        solve1(md + 1, r, d + 1, 0);
    }

    if (d >= 0) {
        for (int i = md, j = md + 1; i >= l; i--, j++) {
            if (j <= r) {
                ans[d].pb({i, j});
            }
        }
    }
}

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;

    for (int i = 0; i < n; i++) {
        D[i] = -1;
    }

    vector <vector <pair <int, int> > > cur_ans;
    solve1(1, n, -1, 0);
    for (int d = 149; d >= 0; d--) {
        if (sz(ans[d])) {
            cur_ans.pb(ans[d]);
        }
        if (sz(ans[d + 1])) {
            cur_ans.pb(ans[d + 1]);
        }
    }
    for (int i = 0; i < 150; i++) {
        ans[i].clear();
    }
    solve(1, n, 0);
    for (int i = 0; i < 150; i++) {
        if (sz(ans[i])) {
            cur_ans.pb(ans[i]);
        }
    }
    cout << sz(cur_ans) + sz(cur_ans) << el;
    for (auto x : cur_ans) {
        for (auto [p1, p2] : x) {
            cout << "CMPSWP R" << p1 << " R" << p2 << " ";
        }
        cout << el;
    }
    for (auto x : cur_ans) {
        for (auto [p1, p2] : x) {
            cout << "CMPSWP R" << p1 << " R" << p2 << " ";
        }
        cout << el;
    }
}

컴파일 시 표준 에러 (stderr) 메시지

malnarisc.cpp: In function 'int main()':
malnarisc.cpp:108:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  108 |         for (auto [p1, p2] : x) {
      |                   ^
malnarisc.cpp:114:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  114 |         for (auto [p1, p2] : x) {
      |                   ^
malnarisc.cpp:13:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 | #define out(x) freopen(x, "w", stdout)
      |                ~~~~~~~^~~~~~~~~~~~~~~~
malnarisc.cpp:77:5: note: in expansion of macro 'out'
   77 |     out("output.txt");
      |     ^~~

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