Compilare: main.cpp: In function 'int main()': main.cpp:11:23: warning: format '%s' expects argument of type 'char*', but argument 3 has type 'char (*)[20]' [-Wformat=] fscanf(f,"%s",&cha); ^ main.cpp:20:26: warning: format '%s' expects argument of type 'char*', but argument 3 has type 'char (*)[10]' [-Wformat=] fscanf(f,"%s",&ch); ^ main.cpp:10:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&p,&n); ^ main.cpp:11:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%s",&cha); ^ main.cpp:20:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%s",&ch); ^