View Compilation Error

0_0_8465295_15763\Main.java:1: 非法字符： \35
#include <cstdio>
^
0_0_8465295_15763\Main.java:3: 需要为 class、interface 或 enum
ll ans[]={0LL,1LL,2LL,4LL,10LL,32LL,122LL,544LL,2770LL,15872LL,101042LL,707584LL,5405530LL,44736512LL,398721962LL,3807514624LL,38783024290LL,419730685952LL,4809759350882LL,58177770225664LL,740742376475050LL};
^
0_0_8465295_15763\Main.java:4: 需要为 class、interface 或 enum
int main()
^
0_0_8465295_15763\Main.java:7: 需要为 class、interface 或 enum
    scanf("%d",&T);
    ^
0_0_8465295_15763\Main.java:8: 需要为 class、interface 或 enum
    while (T--)
    ^
0_0_8465295_15763\Main.java:11: 需要为 class、interface 或 enum
        scanf("%d%d",&id,&n);
        ^
0_0_8465295_15763\Main.java:12: 需要为 class、interface 或 enum
        printf("%d %I64d\n",id,ans[n]);
        ^
0_0_8465295_15763\Main.java:13: 需要为 class、interface 或 enum
    }
    ^
0_0_8465295_15763\Main.java:15: 需要为 class、interface 或 enum
}
^
9 错误