Compilare: main.cpp: In function 'int main()': main.cpp:13:24: warning: format '%d' expects argument of type 'int', but argument 3 has type 'int*' [-Wformat=] fprintf(f, "%d", &a); ^ main.cpp:14:24: warning: format '%d' expects argument of type 'int', but argument 3 has type 'int*' [-Wformat=] fprintf(f, "%d", &b); ^ main.cpp:15:24: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'int' [-Wformat=] fscanf(g, "%d", a+b); ^ main.cpp:15:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(g, "%d", a+b); ^