Compilare: main.cpp: In function 'int main()': main.cpp:15:20: warning: unused variable 'n1' [-Wunused-variable] long long ni, nz, n1, n2, i, j, c = 0, poz; ^~ main.cpp:15:24: warning: unused variable 'n2' [-Wunused-variable] long long ni, nz, n1, n2, i, j, c = 0, poz; ^~ main.cpp:15:31: warning: variable 'j' set but not used [-Wunused-but-set-variable] long long ni, nz, n1, n2, i, j, c = 0, poz; ^ main.cpp:15:34: warning: unused variable 'c' [-Wunused-variable] long long ni, nz, n1, n2, i, j, c = 0, poz; ^ main.cpp:15:41: warning: unused variable 'poz' [-Wunused-variable] long long ni, nz, n1, n2, i, j, c = 0, poz; ^~~ main.cpp:17:37: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%lld%lld", &ni, &nz ); ^ main.cpp:21:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%lld", &v[ i ] ); ^