View Compilation Error

0_0_3950538_19274.cpp:57: error: redefinition of `double mat[1005][1005]'
0_0_3950538_19274.cpp:7: error: `double mat[1005][1005]' previously declared here
0_0_3950538_19274.cpp:58: error: redefinition of `int n'
0_0_3950538_19274.cpp:8: error: `int n' previously declared here
0_0_3950538_19274.cpp: In function `void floyd()':
0_0_3950538_19274.cpp:62: error: redefinition of `void floyd()'
0_0_3950538_19274.cpp:12: error: `void floyd()' previously defined here
0_0_3950538_19274.cpp: In function `int main()':
0_0_3950538_19274.cpp:72: error: redefinition of `int main()'
0_0_3950538_19274.cpp:22: error: `int main()' previously defined here