Compilare: user.cpp: In function ‘int main()’: user.cpp:24:46: warning: format ‘%c’ expects argument of type ‘char*’, but argument 5 has type ‘bool*’ [-Wformat=] fscanf(fin, "%d%d%c%s", &n, &k, &space, s); ^ user.cpp:21:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &t); ^ user.cpp:24:47: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%c%s", &n, &k, &space, s); ^