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View Compilation Error

0_0_39784418_3818\Main.java:1: 错误: 非法字符: '#'
#include <iostream>
^
0_0_39784418_3818\Main.java:1: 错误: 需要class, interface或enum
#include <iostream>
         ^
0_0_39784418_3818\Main.java:2: 错误: 非法字符: '#'
#include<stdio.h>
^
0_0_39784418_3818\Main.java:4: 错误: 需要class, interface或enum
int main()
^
0_0_39784418_3818\Main.java:7: 错误: 需要class, interface或enum
    double sum;
    ^
0_0_39784418_3818\Main.java:8: 错误: 需要class, interface或enum
    double num;
    ^
0_0_39784418_3818\Main.java:9: 错误: 需要class, interface或enum
    char ch;
    ^
0_0_39784418_3818\Main.java:10: 错误: 需要class, interface或enum
    while(scanf("%lf",&num))
    ^
0_0_39784418_3818\Main.java:13: 错误: 需要class, interface或enum
        int i = 0;
        ^
0_0_39784418_3818\Main.java:14: 错误: 需要class, interface或enum
        d[0] = num;
        ^
0_0_39784418_3818\Main.java:15: 错误: 需要class, interface或enum
        ch = getchar();
        ^
0_0_39784418_3818\Main.java:16: 错误: 需要class, interface或enum
        if(ch == '\n'&&num==0) break;
        ^
0_0_39784418_3818\Main.java:17: 错误: 需要class, interface或enum
        while(scanf("%c %lf",&ch,&num))
        ^
0_0_39784418_3818\Main.java:21: 错误: 需要class, interface或enum
            else if(ch == '/')
            ^
0_0_39784418_3818\Main.java:23: 错误: 需要class, interface或enum
            else if(ch == '+')
            ^
0_0_39784418_3818\Main.java:25: 错误: 需要class, interface或enum
            else
            ^
0_0_39784418_3818\Main.java:27: 错误: 需要class, interface或enum
            if(getchar() == '\n')
            ^
0_0_39784418_3818\Main.java:29: 错误: 需要class, interface或enum
        }
        ^
0_0_39784418_3818\Main.java:31: 错误: 需要class, interface或enum
        for(i;i>=0;i--)
              ^
0_0_39784418_3818\Main.java:31: 错误: 需要class, interface或enum
        for(i;i>=0;i--)
                   ^
0_0_39784418_3818\Main.java:33: 错误: 需要class, interface或enum
        printf("%.2f\n",sum);
        ^
0_0_39784418_3818\Main.java:34: 错误: 需要class, interface或enum
    }
    ^
22 个错误


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