Compilare: user.cpp: In function ‘int main()’: user.cpp:97:30: warning: format ‘%c’ expects argument of type ‘int’, but argument 4 has type ‘lint {aka long long int}’ [-Wformat=] fp(g, "%lld %c\n", rs, cs); ^ user.cpp:98:30: warning: format ‘%c’ expects argument of type ‘int’, but argument 4 has type ‘lint {aka long long int}’ [-Wformat=] fp(g, "%lld %c\n", rd, cd); ^ user.cpp:69:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fs(f, "%d\n", &n); ^ user.cpp:71:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fs(f, "%d %c\n", &v[i].x, &v[i].c); ^ user.cpp:83:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fs(f, "%d", &x); ^