Compilare: main.cpp: In function 'void read()': main.cpp:32:15: warning: unused variable 'aux2' [-Wunused-variable] char aux, aux2, aux1; ^~~~ main.cpp:29:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&text,&pieces); ^ main.cpp:34:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf(" %c",&txt[i]); ^ main.cpp:38:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf(" %c %c",&aux, &aux1); ^