online compiler and debugger for c/c++

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#include <stdio.h> #include <stdlib.h> #include <string.h> void bubblesort (int size, char **p_dataarray) { char *temp = malloc(1000); for (int i=0; i<size-1; ++i){ for (int j=0; j<size-i-1; ++j){ if (strcmp(p_dataarray[j],p_dataarray[j+1])>0) { strcpy(temp,p_dataarray[j]); strcpy(p_dataarray[j],p_dataarray[j+1]); strcpy(p_dataarray[j+1],temp); } } } free(temp); } int main() { char **w=0,z[100]; int n=0; /* Testdatenbeschaffung (Datei mit 1 Wort/Zeile) */ system("sed 's/:.*//' /etc/passwd>/tmp/kuno"); FILE *f=fopen("/tmp/kuno","r"); while( fscanf(f,"%99s",z)==1 ) w=realloc(w,++n*sizeof*w),strcpy(w[n-1]=malloc(strlen(z)+1),z); fclose(f); for(int i=0;i<n;++i) puts(w[i]); bubblesort(n,w); puts("##############################################"); for(int i=0;i<n;++i) puts(w[i]); while(n--) free(w[n]); free(w); return 0; }

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