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Digit Frequency
Digit Frequency
+ 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;
}
+ 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; }
+ 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; }
+ 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]); }
+ 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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