#include int main(int argc, char *argv[]) { int x; x = 1; // (1) int x is accessible after its definition cout << "x = " << x << "\n"; { x = 9999; // cout << "x = " << x << "\n"; float x; x = 3.14; // cout << "x = " << x << "\n"; } cout << "x = " << x << "\n"; }