Compilare: user.cpp: In function ‘int main()’: user.cpp:152:27: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf ("%d\n", answer); ^ user.cpp: In function ‘segtree query(int, int, int, int, int, int)’: user.cpp:128:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:132:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("biscuiti.in" ,"r", stdin ); ^ user.cpp:133:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("biscuiti.out","w", stdout); ^ user.cpp:135:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &N); ^ user.cpp:138:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &Array[i]); ^ user.cpp: In function ‘segtree query(int, int, int, int, int, int)’: user.cpp:125:20: warning: ‘*((void*)& value2 +16)’ may be used uninitialized in this function [-Wmaybe-uninitialized] return value3; ^ user.cpp:125:20: warning: ‘*((void*)& value2 +8)’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:119:17: warning: ‘value2’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (value1.value <= value2.value) ^