Compilare: main.cpp: In function 'int main()': main.cpp:45:32: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'char*' [-Wformat=] fscanf(f1,"%d %d",&e[i],&a[i]); ^ main.cpp:40:20: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d",&n); ^ main.cpp:45:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d %d",&e[i],&a[i]); ^