Compilare: user.cpp: In function ‘int solve(int, int)’: user.cpp:15:18: warning: unused variable ‘s’ [-Wunused-variable] int mn, sl, d, s, mx, i, j; ^ user.cpp: In function ‘int main()’: user.cpp:44:24: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[601]’ [-Wformat=] fscanf (fin, "%s", &s); ^ user.cpp:43:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &n, &m); ^ user.cpp:44:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%s", &s); ^ user.cpp:54:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &st, &dr); ^