宣告函數預設"預設值"
ex
int asa(int a,int b = 5); //ok
int asa(int a =2,int b = 5); //ok
but
int asa(int a =2,int b); //NO
int asa(int a,int b = 5); //ok
int asa(int a =2,int b = 5); //ok
but
int asa(int a =2,int b); //NO
a002: 簡易加法
#include using namespace std; int main(){ int a,b; while(cin>>a>>b){ cout } return 0; }
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