C/C++走過的坑(基礎問題篇)！

1.有符號int與無符號int比較 #define TOTOL_ELEMENTS (sizeof(a) / sizeof(a[0]) ); int main() {     int a[] = {23,24,34};     int d = -1;     if(d<=TOTOL_ELEMENTS)         printf("TRUE\n");     else         printf

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