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View Compilation Error

0_0_14968986_27843\Main.java:1: 错误: 非法字符: '#'
#include <stdio.h>
^
0_0_14968986_27843\Main.java:1: 错误: 需要class, interface或enum
#include <stdio.h>
         ^
0_0_14968986_27843\Main.java:2: 错误: 非法字符: '#'
#include <cstring>
^
0_0_14968986_27843\Main.java:3: 错误: 非法字符: '#'
#include <vector>
^
0_0_14968986_27843\Main.java:4: 错误: 非法字符: '#'
#include <queue>
^
0_0_14968986_27843\Main.java:5: 错误: 非法字符: '#'
#include <set>
^
0_0_14968986_27843\Main.java:6: 错误: 非法字符: '#'
#include <math.h>
^
0_0_14968986_27843\Main.java:7: 错误: 非法字符: '#'
#include <algorithm>
^
0_0_14968986_27843\Main.java:9: 错误: 需要class, interface或enum
typedef long long ll;
^
0_0_14968986_27843\Main.java:10: 错误: 需要class, interface或enum
const int N = 19;
^
0_0_14968986_27843\Main.java:12: 错误: 需要class, interface或enum
int euler(int n){ //返回euler(n)
^
0_0_14968986_27843\Main.java:14: 错误: 需要class, interface或enum
     for(int i=2;i*i<=a;i++){
     ^
0_0_14968986_27843\Main.java:14: 错误: 需要class, interface或enum
     for(int i=2;i*i<=a;i++){
                 ^
0_0_14968986_27843\Main.java:14: 错误: 需要class, interface或enum
     for(int i=2;i*i<=a;i++){
                        ^
0_0_14968986_27843\Main.java:17: 错误: 需要class, interface或enum
             while(a%i==0) a/=i;
             ^
0_0_14968986_27843\Main.java:18: 错误: 需要class, interface或enum
         }
         ^
0_0_14968986_27843\Main.java:21: 错误: 需要class, interface或enum
     return res;
     ^
0_0_14968986_27843\Main.java:22: 错误: 需要class, interface或enum
}
^
0_0_14968986_27843\Main.java:27: 错误: 需要class, interface或enum
    scanf("%d", &T);
    ^
0_0_14968986_27843\Main.java:29: 错误: 需要class, interface或enum
    while(T--)
    ^
0_0_14968986_27843\Main.java:32: 错误: 需要class, interface或enum
        scanf("%d", &n);
        ^
0_0_14968986_27843\Main.java:33: 错误: 需要class, interface或enum
        printf("%d\n", euler(n + 1));
        ^
0_0_14968986_27843\Main.java:34: 错误: 需要class, interface或enum
    }
    ^
0_0_14968986_27843\Main.java:37: 错误: 需要class, interface或enum
}
^
24 个错误


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