/Python/Convert code c++ to python online

Convert code c++ to python online

// Program to print path from root node to destination node
// for N*N -1 puzzle algorithm using Branch and Bound
// The solution assumes that instance of puzzle is solvable
#include <bits/stdc++.h>
using namespace std;
#define N 3

// state space tree nodes
struct Node
{
	// stores the parent node of the current node
	// helps in tracing path when the answer is found
	Node* parent;

	// stores matrix
	int mat[N][N];

	// stores blank tile coordinates
	int x, y;

	// stores the number of misplaced tiles
	int cost;

	// stores the number of moves so far
	int level;
};

// Function to print N x N matrix
int printMatrix(int mat[N][N])
{
	for (int i = 0; i < N; i++)
	{
		for (int j = 0; j < N; j++)
			printf("%d ", mat[i][j]);
		printf("\n");
	}
}

// Function to allocate a new node
Node* newNode(int mat[N][N], int x, int y, int newX,
			int newY, int level, Node* parent)
{
	Node* node = new Node;

	// set pointer for path to root
	node->parent = parent;

	// copy data from parent node to current node
	memcpy(node->mat, mat, sizeof node->mat);

	// move tile by 1 position
	swap(node->mat[x][y], node->mat[newX][newY]);

	// set number of misplaced tiles
	node->cost = INT_MAX;

	// set number of moves so far
	node->level = level;

	// update new blank tile cordinates
	node->x = newX;
	node->y = newY;

	return node;
}

// bottom, left, top, right
int row[] = { 1, 0, -1, 0 };
int col[] = { 0, -1, 0, 1 };

// Function to calculate the number of misplaced tiles
// ie. number of non-blank tiles not in their goal position
int calculateCost(int initial[N][N], int final[N][N])
{
	int count = 0;
	for (int i = 0; i < N; i++)
	for (int j = 0; j < N; j++)
		if (initial[i][j] && initial[i][j] != final[i][j])
		count++;
	return count;
}

// Function to check if (x, y) is a valid matrix cordinate
int isSafe(int x, int y)
{
	return (x >= 0 && x < N && y >= 0 && y < N);
}

// print path from root node to destination node
void printPath(Node* root)
{
	if (root == NULL)
		return;
	printPath(root->parent);
	printMatrix(root->mat);

	printf("\n");
}

// Comparison object to be used to order the heap
struct comp
{
	bool operator()(const Node* lhs, const Node* rhs) const
	{
		return (lhs->cost + lhs->level) > (rhs->cost + rhs->level);
	}
};

// Function to solve N*N - 1 puzzle algorithm using
// Branch and Bound. x and y are blank tile coordinates
// in initial state
void solve(int initial[N][N], int x, int y,
		int final[N][N])
{
	// Create a priority queue to store live nodes of
	// search tree;
	priority_queue<Node*, std::vector<Node*>, comp> pq;

	// create a root node and calculate its cost
	Node* root = newNode(initial, x, y, x, y, 0, NULL);
	root->cost = calculateCost(initial, final);

	// Add root to list of live nodes;
	pq.push(root);

	// Finds a live node with least cost,
	// add its childrens to list of live nodes and
	// finally deletes it from the list.
	while (!pq.empty())
	{
		// Find a live node with least estimated cost
		Node* min = pq.top();

		// The found node is deleted from the list of
		// live nodes
		pq.pop();

		// if min is an answer node
		if (min->cost == 0)
		{
			// print the path from root to destination;
			printPath(min);
			return;
		}

		// do for each child of min
		// max 4 children for a node
		for (int i = 0; i < 4; i++)
		{
			if (isSafe(min->x + row[i], min->y + col[i]))
			{
				// create a child node and calculate
				// its cost
				Node* child = newNode(min->mat, min->x,
							min->y, min->x + row[i],
							min->y + col[i],
							min->level + 1, min);
				child->cost = calculateCost(child->mat, final);

				// Add child to list of live nodes
				pq.push(child);
			}
		}
	}
}

// Driver code
int main()
{
	// Initial configuration
	// Value 0 is used for empty space
	int initial[N][N] =
	{
		{1, 2, 3},
		{5, 6, 0},
		{7, 8, 4}
	};

	// Solvable Final configuration
	// Value 0 is used for empty space
	int final[N][N] =
	{
		{1, 2, 3},
		{5, 8, 6},
		{0, 7, 4}
	};

	// Blank tile coordinates in initial
	// configuration
	int x = 1, y = 2;

	solve(initial, x, y, final);

	return 0;
}

Convert code c++ to python online

#include <bits/stdc++.h>
using namespace std;
const int N = 3e5+10;
char str[N];
int n, m, x, y, ans;
vector<int> vs[N];
int vis[N];
int dp[N][26];

void dfs(int u) {
	vis[u] = 1;
	dp[u][str[u]-'a'] = 1;
	for(int i = 0; i < vs[u].size(); i ++) {
		int v = vs[u][i];
		if(vis[v] == 1) {
			printf("-1\n");
			exit(0);
		} else{
			if(!vis[v]) dfs(v);
			for(int j = 0; j < 26; j ++) {
				dp[u][j] = max(dp[u][j],dp[v][j]+(str[u]-'a' == j));
			}
		}
	}
	vis[u] = 2;
}

int main() {
	ios::sync_with_stdio(false);
	cin >> n >> m;
	cin >> str+1;
	for(int i = 0; i < m; i ++) {
		cin >> x >> y;
		vs[x].push_back(y);
	}
	memset(vis,0,sizeof(vis));
	memset(dp,0,sizeof(dp));
	for(int i = 1; i <= n; i ++) {
		if(!vis[i]) {
			dfs(i);
			for(int j = 0; j < 26; j ++) {
				ans = max(ans,dp[i][j]);
			}
		}
	}
	cout << ans << endl;
	return 0;
}

Convert code c++ to python online

#include <SoftwareSerial.h>
String responseData;   
String message = "";  
String senderNumber;
int pump = 0;
int temp = 0;
int i = 0;
int j = 0;
int k = 0;
int X = 0;
int Y = 0;
int mtr_on = 0; 
bool pumpStatus=1;
const String phone="+919524261484"; 
SoftwareSerial gsmSerial(3,4);
float Time = 0,frequency = 0;
const int input = 2;
const int test = 6;
char str[15];
void setup(){
  responseData.reserve(200);
  phone.reserve(20);
  pinMode(pump,OUTPUT);
  digitalWrite(pump,HIGH);
  gsmSerial.begin(9600);
  analogWrite(test, 100);
  gsmSerial.write("AT\r");
  gsmSerial.write("AT+IPR=9600\r");
  gsmSerial.print("AT+CMGF=1\r");  
  gsmSerial.print("AT+CNMI=2,2,0,0,0\r"); 
  gsmSerial.print(gsmSerial.readString());
  gsmSerial.write("AT+CLIP=1\r\n");
gsmSerial.println("System is ready");
}
void receive_message()
{
  if (gsmSerial.available()>0)
  {
    responseData = gsmSerial.readStringUntil('\n');
    gsmSerial.println(responseData);
    parse();
    delayMicroseconds(10);
  }
    {
if (temp == 1)
{
temp = 0;
i = 0;
delayMicroseconds(1000);
}
if (mtr_on == 1)
{
X = pulseIn(input, LOW);
Y = pulseIn(input, HIGH);
Time = X + Y;
frequency = 1000000 / Time;
if (isinf(frequency))
{
digitalWrite(pump, HIGH);
    message = "pump Deactivated. Dry Run Shut Off!";
    send_message(message);
    gsmSerial.write(0x1A); 
mtr_on = 0;
delayMicroseconds(1000);
}
}
}
}
void parse(){
  if (responseData.indexOf("CLIP:")>0)
  {
  senderNumber=responseData.substring(responseData.indexOf("+CLIP: ") +8,responseData.indexOf("+CLIP: ") +21); //PARSE CALLER ID 
  gsmSerial.println("Caller number   :");
  gsmSerial.println(senderNumber);
   if (senderNumber == phone)
   {
    gsmSerial.println("Sender number White list : ok");
    pumpStatus=!pumpStatus;
         digitalWrite(pump,pumpStatus);
    gsmSerial.write("ATH\r"); 
    gsmSerial.print("AT+CMGS=\""+phone+"\"\r");
    delayMicroseconds(1000);
    gsmSerial.print("0-activated 1-deactivated pump working-");
    gsmSerial.print(pumpStatus);
    delayMicroseconds(200);
    gsmSerial.write(0x1A); 
    delayMicroseconds(100);
     for (j = 0; j < 20 ; j++)
{
delayMicroseconds(1000);
}
mtr_on = 1;
     }
    gsmSerial.write("ATH\r");
    delayMicroseconds(500);
  }
}
void send_message(String message)
{
  gsmSerial.println("AT+CMGF=1");    
  gsmSerial.println("AT+CMGS=\"+919524261484\""); 
  gsmSerial.println(message);  
    gsmSerial.write(0x1A); 
   delayMicroseconds(100); 
}
void loop()
{
  receive_message();
  if(responseData.indexOf("pump on")>=0)
  {
    digitalWrite(pump, LOW);
    message = "pump Activated";
    send_message(message);
    gsmSerial.write(0x1A); 
    for (j = 0; j < 20 ; j++)
{
delayMicroseconds(1000);
}
mtr_on = 1;
}
  if(responseData.indexOf("pump off")>=0)
  {
    digitalWrite(pump, HIGH);
    message = "pump Deactivated";
     send_message(message);
    gsmSerial.write(0x1A);
  }        
}

Convert code c++ to python online

#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    string s;
    cin >> s;
    int t;
    cin >> t;
    for (int i = 0; i < t; i++) {
        int a, b;
        cin >> a >> b;
        reverse(s.begin() + a, s.begin() + b + 1);
        cout << s << endl;
    }
    return 0;
}

Convert code c++ to python online

csacda

Convert code c++ to python online

#include <iostream>

using namespace std;
int s(int a, int b)
{
    int i, n=0;
    for(i=a; i<=b; i++)
        n+=i;
    return n;
}
int main()
{
    int a, b, c;
    cin>>a>>b>>c;
    cout<<s(a, b)<< " "<< s(b, c)<< " "<<s(a, c);
    return 0;
}

Convert code c++ to python online

#include <iostream>
#include <ctime>
using namespace std;
int main()
{
   int n = 31;
  srand((unsigned int)time(NULL));

  int a = rand() % (-10 * n , 10 * n);
  cout << a <<endl;
  return 0;
}

Convert code c++ to python online

#include<bits/stdc++.h>
using namespace std;
 
int main()
{
    long long int i,j,n;
    long long int x;
    long long int m=1000001;
 
    //generate prime numbers 
    vector<bool> primes(1000001,true);
    set<long long int> st;
    primes[0]=primes[1]=false;
 
    //seive of eratosthenes
    for(i=2;i*i<=m;i++)
    {
        if(primes[i])
        {
            for(j=i;i*j<=m;j++)
            {
                primes[i*j]=false;
            }
        }
    }
 
    //put all the t_primes in the set
    for(i=2;i<=m;i++)
    {
        if(primes[i])
            st.insert(i*i);
    }
 
    cout<<"How many numbers ?"<<endl;
    cin>>n;
 
    while(n--)
    {
        cout<<endl<<"Enter the number "<<endl;
        cin>>x;
 
        if(st.find(x)!=st.end())
            cout<<x<<" is T-prime";
 
        else
            cout<<x<<" is NOT T-prime";
 
        cout<<endl;
    }
 
    return 0;
}

Similar codes

3 votes182 views1 answer
Lambda with two columns pandas
Python
0 vote155 views1 answer
How to read an xml file
Python
0 vote154 views1 answer
Stackoverflow: install old version of networkx
Python
0 vote201 views3 answers
Move window with overrideredirect
Python
0 vote172 views1 answer
How to train Longistic regression with given threshold
Python
0 vote165 views1 answer
Generate python date list
Python
16 votes167 views2 answers
What is my python working directory
Python
22 votes155 views6 answers
Sort key python
Python
0 vote149 views1 answer
Python dataframe add rank column
Python
2 votes177 views4 answers
Python how to count items in array
Python