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  1. #include <stdio.h>
  2.  
  3. int main(void) 
  4. {
  5. 	unsigned hist['Z'-'A'+2]={};
  6. 	for(char ch;(ch=getchar())!=EOF;++hist[isalpha(ch)?toupper(ch)-'A'+1:0]) {}
  7. 	for(char ch='A';ch<='Z';printf("%c: %u\n",ch,hist[ch-'A'+1]),++ch) {}
  8. 	return 0;
  9. }
  10.  
Success #stdin #stdout 0s 4244KB
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stdin
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#include <stdio.h>

int main(void) {
	unsigned hist['Z'-'A'+2]={};
	for(char ch;((ch=getchar())!='\n')&&(ch!=EOF);++hist[isalpha(ch)?toupper(ch)-'A'+1:0]) {}
	for(char ch='A';ch<='Z';printf("%c: %u\n",hist[++ch-'A'])) {}
	return 0;
}
stdout
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A: 10
B: 0
C: 13
D: 4
E: 6
F: 4
G: 2
H: 16
I: 11
J: 0
K: 0
L: 2
M: 1
N: 9
O: 6
P: 4
Q: 0
R: 9
S: 6
T: 9
U: 5
V: 1
W: 0
X: 0
Y: 0
Z: 2
https://ideone.com/fPnrkk
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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