Compilare: user.cpp: In function ‘int main()’: user.cpp:43:27: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘int64* {aka long long int*}’ [-Wformat=] fscanf (in, "%I64d", &v); ^ user.cpp:34:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (in, "%d", &t); ^ user.cpp:40:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (in, "%d%d%d", &n, &m, &x); ^ user.cpp:43:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (in, "%I64d", &v); ^ user.cpp:37:9: warning: ‘vx’ may be used uninitialized in this function [-Wmaybe-uninitialized] int64 vx, total, v; ^