Compilare: main.cpp: In function 'int main()': main.cpp:57:46: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=] if(c==1) fprintf(out, "%d", x+y+z+t+liber); ^ main.cpp:15:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &c); ^ main.cpp:55:39: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d%lld", &a, &b, &e); ^