53 lines
986 B
C
53 lines
986 B
C
#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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int main (){
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char c[100];
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char musor;
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int counter = 0;
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while(fgets(c, 100, stdin) != NULL){
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if(strlen(c) == 1){
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putchar (c[0]);
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counter++;
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}
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else if(strlen(c) == 2){
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if (c[0] >= 'a' && c[0] <= 'z'){
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putchar (c[0] - 'a' + 'A');
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printf ("\n");
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counter++;
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}
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else if ( c[0] >= 'A' && c[0] <= 'Z'){
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putchar (c[0] + 'a' - 'A');
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printf ("\n");
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counter++;
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}
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else if (!isalpha (c[0])) {
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putchar (c[0]);
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counter++;
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}
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}
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else{
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for(int i = 0; i < 100; i++){
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if(c[i] == '\n' || c[i] == '\0') break;
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if(isupper(c[i])) {
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printf("%c", tolower(c[i]));
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}
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else if(islower(c[i]))
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printf("%c", toupper(c[i]));
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else
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printf("%c", c[i]);
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}
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if(strchr(c, '\n') != NULL){
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printf("\n");
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counter++;
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}
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}
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memset(c, '\0', 100);
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}
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printf("\nPočet riadkov: %d\n",counter);
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return 0;
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}
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