Compilare: main.cpp: In function 'int main()': main.cpp:20:29: warning: format '%s' expects argument of type 'char*', but argument 3 has type 'char (*)[30]' [-Wformat=] fscanf(f,"%s",&s); ^ main.cpp:13:26: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&teste); ^ main.cpp:16:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%c",&n,&c); ^ main.cpp:20:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%s",&s); ^