#include <stdio.h> int main() { int* p = new int; *p = 5; *p = *p + 10; printf("p = %p\n", p); printf("*p = %d\n", *p); delete p; p = new int[10]; for(int i=0; i<10; i++) { p[i] = i + 1; printf("p[%d] = %d\n", i, p[i]); } delete[] p; return 0; }
#include <stdio.h> int main() { int* pi = new int(1); // int* pa = new int[1]; float* pf = new float(2.0f); char* pc = new char('c'); printf("*pi = %d\n", *pi); printf("*pf = %f\n", *pf); printf("*pc = %c\n", *pc); delete pi; delete pf; delete pc; return 0; }
#include <stdio.h> namespace First { int i = 0; } namespace Second { int i = 1; namespace Internal { struct P { int x; int y; }; } } int main() { using namespace First; using Second::Internal::P; printf("First::i = %d\n", i); printf("Second::i = %d\n", Second::i); P p = {2, 3}; printf("p.x = %d\n", p.x); printf("p.y = %d\n", p.y); return 0; }
