Submission #1228563

#	Time	Username	Problem	Language	Result	Execution time	Memory
1228563		tminh	Genetics (BOI18_genetics)	C++20	46 / 100	1986 ms	23204 KiB

genetics

#pragma GCC target("avx")
#pragma GCC optimize(3)
#pragma GCC optimize("Ofast")
#pragma GCC optimize("inline")
#pragma GCC optimize("-fgcse")
#pragma GCC optimize("-fgcse-lm")
#pragma GCC optimize("-fipa-sra")
#pragma GCC optimize("-ftree-pre")
#pragma GCC optimize("-ftree-vrp")
#pragma GCC optimize("-fpeephole2")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-fsched-spec")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-falign-jumps")
#pragma GCC optimize("-falign-loops")
#pragma GCC optimize("-falign-labels")
#pragma GCC optimize("-fdevirtualize")
#pragma GCC optimize("-fcaller-saves")
#pragma GCC optimize("-fcrossjumping")
#pragma GCC optimize("-fthread-jumps")
#pragma GCC optimize("-funroll-loops")
#pragma GCC optimize("-fwhole-program")
#pragma GCC optimize("-freorder-blocks")
#pragma GCC optimize("-fschedule-insns")
#pragma GCC optimize("inline-functions")
#pragma GCC optimize("-ftree-tail-merge")
#pragma GCC optimize("-fschedule-insns2")
#pragma GCC optimize("-fstrict-aliasing")
#pragma GCC optimize("-fstrict-overflow")
#pragma GCC optimize("-falign-functions")
#pragma GCC optimize("-fcse-skip-blocks")
#pragma GCC optimize("-fcse-follow-jumps")
#pragma GCC optimize("-fsched-interblock")
#pragma GCC optimize("-fpartial-inlining")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("-freorder-functions")
#pragma GCC optimize("-findirect-inlining")
#pragma GCC optimize("-fhoist-adjacent-loads")
#pragma GCC optimize("-frerun-cse-after-loop")
#pragma GCC optimize("inline-small-functions")
#pragma GCC optimize("-finline-small-functions")
#pragma GCC optimize("-ftree-switch-conversion")
#pragma GCC optimize("-foptimize-sibling-calls")
#pragma GCC optimize("-fexpensive-optimizations")
#pragma GCC optimize("-funsafe-loop-optimizations")
#pragma GCC optimize("inline-functions-called-once")
#pragma GCC optimize("-fdelete-null-pointer-checks")



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

#define task ""
#define ll long long
#define endl '\n'
#define fi first
#define se second
#define vall(a) (a).begin(), (a).end()
#define sze(a) (int)a.size()
#define pii pair<int, int>
#define pll pair<ll, ll>


#define ep emplace_back
#define pb push_back
#define pf push_front


const ll mod = 1e9 + 7;
const int N = 4100;
const ll oo = 1e18;

bool START;

int n, m, k;
char a[N][N];
vector<int> arr;
bitset<N> bit[N][3], xormask;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rnd(int l, int r) {
	return uniform_int_distribution<int>(l, r)(rng);
}

int get(char ch) {
	if (ch == 'A') return 0;
	if (ch == 'T') return 1;
	if (ch == 'G') return 2;
	return 3;
}

inline void solve() {
	for (int i = 0; i < n; ++i) {
		for (int j = 0; j < m; ++j) {
			int val = get(a[i][j]);
			if (val == 3) continue;
			bit[i][val][j] = 1;
		}
	}
	for (int i = 0; i < n; ++i) arr.pb(i);
	
	while((1.0 * clock() / CLOCKS_PER_SEC) <= 1.985) {
		int idx = rnd(0, sze(arr) - 1);
		int i = arr[idx];
		arr.erase(arr.begin() + idx);
		
		
		bool flag = true;
		for (int ii = 0; ii < n; ++ii) {
			if (i == ii) continue;
			xormask = (bit[i][0] ^ bit[ii][0]) | (bit[i][1] ^ bit[ii][1]) | (bit[i][2] ^ bit[ii][2]);
			if ((int)xormask.count() != k) {
				flag = false;
				break;
			}
		}
		if (flag) {
			cout << i + 1 << endl;
			return;
		}
	}
}


inline void input() {
    cin >> n >> m >> k;
    for (int i = 0; i < n; ++i) {
    	for (int j = 0; j < m; ++j) cin >> a[i][j];
    }
    return solve();
}
bool END;

int main() {
    if(fopen(task ".inp", "r")) {
        freopen(task ".inp", "r", stdin);
        freopen(task ".out", "w", stdout);
    }
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr); cout.tie(nullptr);

    input();
    
    
    cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << 's' << endl;
    cerr << "Memory: " << fabs ((&END - &START)) / 1048576.0 << "MB\n";
    return 0;
}

Compilation message (stderr)

genetics.cpp:22:39: warning: bad option '-fwhole-program' to pragma 'optimize' [-Wpragmas]
   22 | #pragma GCC optimize("-fwhole-program")
      |                                       ^
genetics.cpp:29:41: warning: bad option '-fstrict-overflow' to pragma 'optimize' [-Wpragmas]
   29 | #pragma GCC optimize("-fstrict-overflow")
      |                                         ^
genetics.cpp:31:41: warning: bad option '-fcse-skip-blocks' to pragma 'optimize' [-Wpragmas]
   31 | #pragma GCC optimize("-fcse-skip-blocks")
      |                                         ^
genetics.cpp:45:51: warning: bad option '-funsafe-loop-optimizations' to pragma 'optimize' [-Wpragmas]
   45 | #pragma GCC optimize("-funsafe-loop-optimizations")
      |                                                   ^
genetics.cpp:82:21: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   82 | int rnd(int l, int r) {
      |                     ^
genetics.cpp:82:21: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
genetics.cpp:82:21: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
genetics.cpp:82:21: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
genetics.cpp:86:16: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   86 | int get(char ch) {
      |                ^
genetics.cpp:86:16: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
genetics.cpp:86:16: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
genetics.cpp:86:16: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
genetics.cpp:93:19: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   93 | inline void solve() {
      |                   ^
genetics.cpp:93:19: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
genetics.cpp:93:19: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
genetics.cpp:93:19: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
genetics.cpp:126:19: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  126 | inline void input() {
      |                   ^
genetics.cpp:126:19: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
genetics.cpp:126:19: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
genetics.cpp:126:19: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
genetics.cpp:135:10: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  135 | int main() {
      |          ^
genetics.cpp:135:10: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
genetics.cpp:135:10: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
genetics.cpp:135:10: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
genetics.cpp: In function 'int main()':
genetics.cpp:137:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  137 |         freopen(task ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
genetics.cpp:138:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  138 |         freopen(task ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 27 / 27
• Subtask 2: 19 / 19
• Subtask 3: 0 / 28
• Subtask 4: 0 / 26