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View Compilation Error

0_0_3788779_9.cpp:54: error: redefinition of `double ax'
0_0_3788779_9.cpp:5: error: `double ax' previously declared here
0_0_3788779_9.cpp:54: error: redefinition of `double ay'
0_0_3788779_9.cpp:5: error: `double ay' previously declared here
0_0_3788779_9.cpp:54: error: redefinition of `double bx'
0_0_3788779_9.cpp:5: error: `double bx' previously declared here
0_0_3788779_9.cpp:54: error: redefinition of `double by'
0_0_3788779_9.cpp:5: error: `double by' previously declared here
0_0_3788779_9.cpp:54: error: redefinition of `double s'
0_0_3788779_9.cpp:5: error: `double s' previously declared here
0_0_3788779_9.cpp:55: error: redefinition of `int n'
0_0_3788779_9.cpp:6: error: `int n' previously declared here
0_0_3788779_9.cpp: In function `double calu()':
0_0_3788779_9.cpp:56: error: redefinition of `double calu()'
0_0_3788779_9.cpp:7: error: `double calu()' previously defined here
0_0_3788779_9.cpp: In function `int main()':
0_0_3788779_9.cpp:85: error: redefinition of `int main()'
0_0_3788779_9.cpp:36: error: `int main()' previously defined here


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