oj.uz

Submission #880683

# Submission time Handle Problem Language Result Execution time Memory
880683 2023-11-29T20:47:24 Z mychecksedad Mars (APIO22_mars) C++17
0 / 100
 1 ms 332 KB 
#include<mars.h>
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
const int N = 1e6+100, M = 1e5+10, K = 52, MX = 30;

struct Dsu {
	vector<int> s, p;
	int sz;
	Dsu(int n){
		sz = n;
		s.resize(n+1, 1);
		p.resize(n+1);
		for(int i = 0; i <= n; ++i) p[i] = i;
	}
	int find(int v){
		if(p[v] == v) return v;
		return (p[v] = find(p[v]));
	}
	void merge(int a, int b){
		a = find(a);
		b = find(b);
		if(a != b){
			if(s[a] > s[b]){
				swap(a, b);
			}
			s[b] += s[a];
			p[a] = b;
			sz--;
		}
	}
};


std::string process(vector<vector<string>> a,int i,int j,int k,int n){
	Dsu d(9);
	int zero;
	for(int i = 0; i < 3; ++i){
		for(int j = 0; j < 3; ++j){
			if(a[i][j][0] == '0'){
				zero++;
				continue;
			}
			if(j < 2){
				if(a[i][j][0] == '1' && a[i][j + 1][0] == '1') d.merge(i*3+j, i*3+j+1);
			}
			if(i < 2){
				if(a[i][j][0] == '1' && a[i + 1][j][0] == '1') d.merge(i*3+j, i*3+j+3);
			}
		}
	}
	int val = d.sz - zero;
	string ans = "";
	for(int i = 0; i < 100; ++i) ans.pb('0');
	ans[0] = (val % 2) + '0';
	ans[1] = ((val&2) > 0) + '0';
	ans[2] = ((val&4) > 0) + '0';
	return ans;
}

Compilation message

mars.cpp: In function 'std::string process(std::vector<std::vector<std::__cxx11::basic_string<char> > >, int, int, int, int)':
mars.cpp:46:9: warning: 'zero' may be used uninitialized in this function [-Wmaybe-uninitialized]
   46 |     zero++;
      |     ~~~~^~

Subtask #1
0.0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB invalid in
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB invalid in
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB invalid in
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB invalid in
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB invalid in
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB invalid in
2 Halted 0 ms 0 KB -

Subtask #7
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB invalid in
2 Halted 0 ms 0 KB -

Subtask #8
0.0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB invalid in
2 Halted 0 ms 0 KB -

Subtask #9
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB invalid in
2 Halted 0 ms 0 KB -

Subtask #10
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB invalid in
2 Halted 0 ms 0 KB -