Compilare: main.cpp: In function 'int main()': main.cpp:37:35: warning: format '%lld' expects argument of type 'long long int', but argument 3 has type 'int' [-Wformat=] fprintf(g,"%lld %lld\n",0,c/b); ^ main.cpp:54:35: warning: format '%lld' expects argument of type 'long long int', but argument 4 has type 'int' [-Wformat=] fprintf(g,"%lld %lld\n",c/a,0); ^ main.cpp:76:14: warning: variable 'k1' set but not used [-Wunused-but-set-variable] long long k1,k2,k3,k4; ^~ main.cpp:24:19: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&T); ^ main.cpp:28:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld %lld %lld",&a,&b,&c); ^