0_0_26841226_14959.cpp: In function 'int main()':
0_0_26841226_14959.cpp:21:27: error: 'sort' was not declared in this scope
sort(a+1,a+1+n);
^
0_0_26841226_14959.cpp:30:93: error: expression cannot be used as a function
double p=sum1[i+t-1]-sum1[i-1]-(sum2[i+t-1]-sum2[i-1])(sum2[i+t-1]-sum2[i-1])/tem;
^
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