#include <stdio.h> main( ) { int i, n=0; char c, str[] = "test"; for(i=0; str[i]; i++) { c = str[i]; switch(i) { case 1: case 3: case 4: putchar(c); printf("%d", ++n); break; default: putchar('Q'); } } }
Qe1QQ
Qe1Qt2
Qe1Qt2Q
Qs1QQ
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