Compilare: user.cpp: In function ‘int solve(int, char)’: user.cpp:42:47: warning: narrowing conversion of ‘tip’ from ‘int’ to ‘char’ inside { } [-Wnarrowing] v.push_back({v.back().i,0,tip}); ^ user.cpp:50:71: warning: narrowing conversion of ‘tip’ from ‘int’ to ‘char’ inside { } [-Wnarrowing] if(v.back().i<=d[tip][poz]) v.push_back({v.back().i,0,tip}); ^ user.cpp:54:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] return d[tip][poz]; ^ user.cpp: In function ‘int main()’: user.cpp:59:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("text5.in", "r", stdin); ^ user.cpp:60:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("text5.out", "w", stdout); ^ user.cpp:62:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n%s",&n,sir+1); ^