/* This program is free software. It comes without any warranty, to
 * the extent permitted by applicable law. You can redistribute it
 * and/or modify it under the terms of the Do What The Fuck You Want
 * To Public License, Version 2, as published by Sam Hocevar. See
 * http://sam.zoy.org/wtfpl/COPYING for more details. */
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <ctype.h>
 
int main() {
    system("cls");
    srand(time(NULL));
    char texto[200], letraS[2] = {'x', 'z'}, letraC[2] = {'k', 'q'};
    int i, qts = 0, num[150], troca, letra;
    printf("\t\t> MC Fuckin Palim Text Converter 0.1-mc <\n\n");
    printf("- Para terminar basta fechar o programa.\n\n");
    while (1) {
        fflush(stdin);
        printf("Texto: ");
        gets(texto);
        fflush(stdin);
        for (i = 0; i < strlen(texto) / 3; i++) {
            num[i] = rand() % strlen(texto) + 1;
            if (texto[num[i]] == ' ') {
                while (texto[num[i]] == ' ') num[i] = rand() % strlen(texto);
            }
            switch (texto[i]) {
                case 's':
                    troca = rand() % 2;
                    if (troca) {
                        letra = rand() % 2;
                        texto[i] = letraS[letra];
                    }
                    break;
                case 'c':
                    troca = rand() % 2;
                    if (troca && texto[i + 1] != 'h') {
                        letra = rand() % 2;
                        texto[i] = letraC[letra];
                    }
                    break;
            }
            qts++;
        }
        for (i = 0; i < qts; i++) texto[num[i]] = toupper(texto[num[i]]);
        puts(texto);
        texto[0] = '\0';
        qts = 0;
    }
}

/* This program is free software. It comes without any warranty, to
 * the extent permitted by applicable law. You can redistribute it
 * and/or modify it under the terms of the Do What The Fuck You Want
 * To Public License, Version 2, as published by Sam Hocevar. See
 * http://sam.zoy.org/wtfpl/COPYING for more details. */ 
 
#include <stdio.h>
#include <string.h>
 
typedef enum { FALSE, TRUE } boolean; // definir o tipo de dados boolean
 
boolean data_valida(char data[]) {
    int i, j=0, n=1, dia, mes, ano;
    for (i=0;i<strlen(data);i++) {
        if (data[i] == '/') j++;
    }
    if (j==2) {
        // Isto vai separar a data dia/mes/ano em tres variaveis
        data=strtok(data,"/");
        dia=atoi(data);
        data=strtok(NULL,"/");
        mes=atoi(data);
        data=strtok(NULL,"/");
        ano=atoi(data);
    }
 
    else return FALSE;
 
    if (ano > 0) {
    switch(mes) {
        case 1: case 3: case 5: case 7: case 8: case 10: case 12:
            return (dia > 0 && dia <= 31);
            break;
        case 4: case 6: case 9: case 11:
            return (dia > 0 && dia <= 30);
            break;
        case 2:
            if (ano % 100 == 0) ano = ano / 100;
            if (ano % 4 == 0) return (dia > 0 && dia <= 29);
            else return (dia > 0 && dia <= 28);
            break;
        default:
            return FALSE;
            break;
        }
    }
    else return FALSE;
}

int main() {
    char data[11];
    while(1) {
        printf("Data: ");
        fgets(data,11,stdin);
        fflush(stdin);
        if (data_valida(data)) printf("Data valida\n");
        else printf("Data invalida\n");
    }
    return 0;
}

/* This program is free software. It comes without any warranty, to
 * the extent permitted by applicable law. You can redistribute it
 * and/or modify it under the terms of the Do What The Fuck You Want
 * To Public License, Version 2, as published by Sam Hocevar. See
 * http://sam.zoy.org/wtfpl/COPYING for more details. */
 
#include <stdio.h>
#define MAX 9 // alterar pelo numero de valores a introduzir
 
void main() {
    int num[MAX], i, n=1;
    for (i=0;i<=(MAX-1);i++) {
        printf("Num %d: ",i+1);
        scanf("%d",&num[i]);
    }
    printf("Codificacao: ");
    for (i=0;i<=(MAX-1);i++) {
        if (num[i+1] == num[i]) n++;
        else if (num[i+1] != num[i]){
            printf("%d%d",n,num[i]);
            n=1;  
        }
        }
    printf("\n");
}

/* This program is free software. It comes without any warranty, to
 * the extent permitted by applicable law. You can redistribute it
 * and/or modify it under the terms of the Do What The Fuck You Want
 * To Public License, Version 2, as published by Sam Hocevar. See
 * http://sam.zoy.org/wtfpl/COPYING for more details. */ 
 
#include <stdio.h>
 
void vect(int num)
{
    int vector[num],vector_soma[num], i, x=0;
    for (i=0;i<num;i++) {
        printf("Posicao %d: ", i+1);
        scanf("%d",&vector[i]);
    }
 
    for (i=0;i<num/2;i++) {
        vector_soma[i] = vector[i]+vector[(num-1)-i];
        x++;
    }
    if (num%2 != 0) {
        vector_soma[x] = vector[num/2];
    }
    else x--;
    for (i=0;i<=x;i++) {
        printf("Soma %d: %d\n",i+1,vector_soma[i]);
    }
}
 
int main() {
    int n;
    printf("Num de posicoes: ");
    scanf("%d",&n);
    vect(n);
    return 0;
}

/* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What The Fuck You Want
* To Public License, Version 2, as published by Sam Hocevar. See
* http://sam.zoy.org/wtfpl/COPYING for more details. */
 
#include <iostream>
using namespace std;
void main() {
   int num,x[10],i=0,n=0,soma=0;
   cout << "Num: ";
   cin >> num;
   cout << num << " -> ";
   while (num>0) {
      x[i] = num%10;
      num = num/10;
      i++;
      n++;
   }
   for (i=n-1;i>=0;i--) {
      soma=soma+x[i];
      if (i>0) cout << x[i] << " + ";
      else cout << x[i] << " = " << soma << "\n";
   }
}