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1 week ago+ 0 comments

int main() {

char *s;
s = malloc(1024 * sizeof(char));
scanf("%[^\n]", s);
s = realloc(s, strlen(s) + 1);
char* pos=s;
int c,i;
for(i=0;i<=9;i++){
    char j=i+48;
    for(c=0;*s;s++){
        if((*s)==j)
            c++;
    }
    printf("%d ",c);
    s=pos;
}

return 0;

}

2 weeks ago+ 0 comments

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>

int main() {

    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    
    int fre0=0, fre1=0, fre2=0, fre3=0, fre4=0, fre5=0, fre6=0, fre7=0, fre8=0, fre9=0;
    char s[10000];
    scanf("%[^\n]", s);
    
    for( int i = 0; i < strlen(s); i++ ){
        switch (s[i]) {
            case '0': fre0++; break;
            case '1': fre1++; break;
            case '2': fre2++; break;
            case '3': fre3++; break;
            case '4': fre4++; break;
            case '5': fre5++; break;
            case '6': fre6++; break;
            case '7': fre7++; break;
            case '8': fre8++; break;
            case '9': fre9++; break;
        }
    }
    printf("%d %d %d %d %d %d %d %d %d %d", fre0, fre1, fre2, fre3, fre4, fre5, fre6, fre7, fre8, fre9);
     
    return 0;
}

2 weeks ago+ 0 comments

In C:

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
#include <ctype.h>

int main() {

    /* Enter your code here. Read input from STDIN. Print output to STDOUT */
    /* When accepting characters, maintain an array of integers 0 - 9. An index of an array denotes the digit itself and the value
    denotes the frequency of that index/digit */
    
    int arr[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
    char ch;
    int idx = 0;
    
    while((ch = getchar()) != '\n' && ch != EOF){
        if(isdigit(ch)){
            idx = ch - '0';  /* Need to subtract '0' (48 in ASCII) to get actual value of a digit */
            arr[idx]++;
        }
    }
    
    for(int i = 0; i < 10; ++i){
        printf("%d ", arr[i]);
    }
    printf("\n");
        
    return 0;
}

4 weeks ago+ 0 comments

include

int main() { char str[1000]; int digit_count[10] = {0};

// Input string
printf("Enter a string: ");
scanf("%s", str);

// Iterate through the characters of the input string
for (int i = 0; i < strlen(str); i++) {
    if (str[i] >= '0' && str[i] <= '9') {
        int digit = str[i] - '0';
        digit_count[digit]++;
    }
}

// Print the frequency of each digit
printf("Frequency of each digit from 0 to 9: ");
for (int i = 0; i < 10; i++) {
    printf("%d ", digit_count[i]);
}

1 month ago+ 0 comments

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>

int main() {

    /* Enter your code here. Read input from STDIN. Print output to STDOUT */
    char *str = (char*) malloc(1024);
    int nums[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
    
    if(str == NULL) {
        printf("Memory allocation failed\n");
        return 1;
    }
    
    scanf("%s", str);

    for(int i; str[i] != '\0'; i++)
    {
        if (str[i] >= '0' && str[i] <= '9')
        {
            int num = str[i] - '0';  // Convert char to int
            nums[num]++;
        }
    }
    
    for (int i=0; i<10; i++)
    {
        printf("%d ", nums[i]);
    }
    
    free(str);
    return 0;
}

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