用js编程 红白球共25个,白黑球共31个,红黑球共28个,求三种球各有多少

JavaScript07

用js编程 红白球共25个,白黑球共31个,红黑球共28个,求三种球各有多少,第1张

<!--

red:11

black:17

white:14

-->

<html>

<body>

<script type="text/javascript">

for(var red=0red<=25red++)

{

var white=25-red,black=28-red

if(31==white+black)

{

alert("red:"+red+"\n"+"black:"+black+"\n"+"white:"+white)

}

}

</script>

</body>

</html>

for(int i = 1 i<= 3 i++)

for(int j = 1 j<= 5 j++)

for(int k = 1 k<=6 k++)

if(i+j+k == 8)

printf("红球%d个,白球%d个,黑球%d个",i,j,k)