Compilare: user.cpp: In function ‘int main()’: user.cpp:15:24: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[1000000]’ [-Wformat=] fscanf(in, "%s", &s); ^ user.cpp:7:33: warning: variable ‘contor’ set but not used [-Wunused-but-set-variable] int n, m, length = 0, i, x, contor; ^ user.cpp:12:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d %d", &n, &m); ^ user.cpp:15:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s", &s); ^