[語法] 請問一個簡單的函式
請問一個小小的測試
void sum(int a,int b,int c){
c=a+b;
}
然後在主程式中
int a=10,b=20,c=0;
sum(a,b,c);
cout<<c;
為什麼c會是0,而無法相加呢...
先謝謝回答....^^
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