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View Compilation Error

0_0_16831563_24399.cpp: In function 'int main()':
0_0_16831563_24399.cpp:46:19: error: 'LL' was not declared in this scope
             ans+=(LL)dp[n][i]*i;        //  dp[n][i]记录的是公约数为i的个数,
                   ^


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