Compilare: main.cpp: In member function 'int arbint::query(int, int, int)': main.cpp:49:28: warning: 'ians' may be used uninitialized in this function [-Wmaybe-uninitialized] int ans = 1 << 30, ians; ^~~~ main.cpp:49:28: warning: 'ians' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:49:28: warning: 'ians' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp: In function 'int main()': main.cpp:60:22: warning: 'ians' may be used uninitialized in this function [-Wmaybe-uninitialized] if(a[x2].y < ans) { ~~~~~~^ main.cpp:49:28: note: 'ians' was declared here int ans = 1 << 30, ians; ^~~~ main.cpp:60:22: warning: 'ians' may be used uninitialized in this function [-Wmaybe-uninitialized] if(a[x2].y < ans) { ~~~~~~^ main.cpp:49:28: note: 'ians' was declared here int ans = 1 << 30, ians; ^~~~ main.cpp:53:22: warning: 'ians' may be used uninitialized in this function [-Wmaybe-uninitialized] if(a[x1].y < ans) { ~~~~~~^ main.cpp:49:28: note: 'ians' was declared here int ans = 1 << 30, ians; ^~~~ main.cpp:60:22: warning: 'ians' may be used uninitialized in this function [-Wmaybe-uninitialized] if(a[x2].y < ans) { ~~~~~~^ main.cpp:49:28: note: 'ians' was declared here int ans = 1 << 30, ians; ^~~~ main.cpp:53:22: warning: 'ians' may be used uninitialized in this function [-Wmaybe-uninitialized] if(a[x1].y < ans) { ~~~~~~^ main.cpp:49:28: note: 'ians' was declared here int ans = 1 << 30, ians; ^~~~ main.cpp:60:22: warning: 'ians' may be used uninitialized in this function [-Wmaybe-uninitialized] if(a[x2].y < ans) { ~~~~~~^ main.cpp:49:28: note: 'ians' was declared here int ans = 1 << 30, ians; ^~~~ main.cpp:53:22: warning: 'ians' may be used uninitialized in this function [-Wmaybe-uninitialized] if(a[x1].y < ans) { ~~~~~~^ main.cpp:49:28: note: 'ians' was declared here int ans = 1 << 30, ians; ^~~~ main.cpp:60:22: warning: 'ians' may be used uninitialized in this function [-Wmaybe-uninitialized]