#include <stdio.h>
int main(void)
{ int a; //宣告三數和為a
a = 123+456+789; //運算式相當於123+456+789
printf("答案 = %d",a); // 輸出運算結果
return 0; // 傳回程式結束無誤訊息
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKQp7IGludCBhOyAgICAgICAgICAgICAgICAgIC8v5a6j5ZGK5LiJ5pW45ZKM54K6YQogIGEgPSAxMjMrNDU2Kzc4OTsgICAgICAgLy/pgYvnrpflvI/nm7jnlbbmlrwxMjMrNDU2Kzc4OQogIHByaW50Zigi562U5qGIID0gJWQiLGEpOyAvLyDovLjlh7rpgYvnrpfntZDmnpwgCiAgcmV0dXJuIDA7ICAgICAgICAgICAgICAvLyDlgrPlm57nqIvlvI/ntZDmnZ/nhKHoqqToqIrmga8gCn0=