//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,sse,sse2,sse3,ssse3,sse4,abm,popcnt,mmx")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef double db;
typedef long double ldb;
typedef complex<double> cd;
constexpr ll INF64 = 9'000'000'000'000'000'000, INF32 = 2'000'000'000, MOD = 1'000'000'007, MAXC = 1'000;
constexpr db PI = acos(-1);
constexpr bool IS_FILE = false, IS_TEST_CASES = false;
random_device rd;
mt19937 rnd32(rd());
mt19937_64 rnd64(rd());
template<typename T>
bool assign_max(T& a, T b) {
if (b > a) {
a = b;
return true;
}
return false;
}
template<typename T>
bool assign_min(T& a, T b) {
if (b < a) {
a = b;
return true;
}
return false;
}
template<typename T>
T square(T a) {
return a * a;
}
template<>
struct std::hash<pair<ll, ll>> {
ll operator() (pair<ll, ll> p) const {
return ((__int128)p.first * MOD + p.second) % INF64;
}
};
void rec(ll l, ll r, vector<vector<pair<ll, ll>>>& op, vector<ll>& lu) {
if (r - l <= 0) {
return;
}
ll mid = (l + r - 1) / 2;
rec(l, mid, op, lu);
rec(mid + 1, r, op, lu);
ll fl = l, fr = mid;
ll sl = mid + 1, sr = r;
while (sl <= sr) {
ll now = sr;
for (ll i = fr; i >= fl; i--) {
ll num = max(lu[now], lu[i]) + 1;
op[num].emplace_back(i, now);
lu[now] = num;
lu[i] = num;
now--;
}
sr--;
if (now < sl) {
fl++;
}
}
}
void solve() {
ll n;
cin >> n;
vector<vector<pair<ll, ll>>> op(MAXC);
vector<ll> lu(n + 1, -1);
rec(1, n, op, lu);
while (op.back().empty()) {
op.pop_back();
}
cout << op.size() << '\n';
for (auto i : op) {
for (auto[a, b] : i) {
cout << "CMPSWP " << "R" << a << ' ' << "R" << b << ' ';
}
cout << '\n';
}
}
int main() {
if (IS_FILE) {
freopen("", "r", stdin);
freopen("", "w", stdout);
}
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
ll t = 1;
if (IS_TEST_CASES) {
cin >> t;
}
for (ll i = 0; i < t; i++) {
solve();
}
}
Compilation message
malnarisc.cpp: In function 'int main()':
malnarisc.cpp:95:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
95 | freopen("", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~
malnarisc.cpp:96:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
96 | freopen("", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Partially correct |
0 ms |
348 KB |
Partially correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Partially correct |
0 ms |
348 KB |
Partially correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Partially correct |
0 ms |
348 KB |
Partially correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Partially correct |
1 ms |
344 KB |
Partially correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Partially correct |
0 ms |
348 KB |
Partially correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Partially correct |
1 ms |
348 KB |
Partially correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Partially correct |
1 ms |
344 KB |
Partially correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Partially correct |
1 ms |
348 KB |
Partially correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Partially correct |
1 ms |
348 KB |
Partially correct |