我之前尝试过,但它不起作用.是代码的错误吗?
<script type ="text/javascript">
function count()
{
var x = 0;
x += 1;
document.getElementById( "counting" ).value = x;
}
</script>
</head>
<body>
<input type ="button" value = "Click" onclick = "count()"/><br><br>
<input id = "counting" type = "text" />
</body>
Run Code Online (Sandbox Code Playgroud) 假设停车场收取2美元的最低费用停车长达3小时,然后停车场每小时收取0.5美元的额外费用.例如,停车5小时收费2美元+ 0.5美元+ 0.5美元= 3美元
我该如何计算循环的费用?
"白色"是在错误的位置检查正确的数字.但我不知道如何正确计算它.
#include "stdafx.h"
#include "stdlib.h"
#include "time.h"
int _tmain(int argc, _TCHAR* argv[])
{
int answer[4];
int guess[4];
int count = 0;
srand(time(NULL));
/*answer[0] = (rand() % 6)+1;
answer[1] = (rand() % 6)+1;
answer[2] = (rand() % 6)+1;
answer[3] = (rand() % 6)+1;*/
answer[0] = 3;
answer[1] = 3;
answer[2] = 5;
answer[3] = 2;
printf("%d %d %d %d\n", answer[0], answer[1], answer[2], answer[3]);
printf(" B W\n");
do
{
int black = 0;
int white = 0;
count++;
printf("Enter 4 numbers, this …Run Code Online (Sandbox Code Playgroud)