c
VtN11foriN2i0i
VtiAiN1
以下是主函数voidmai
doubleaNNbNNchaRNchaINdoubleqNNrNNqrNNdoubleshiya
Ndoublefgi
tijkfori0iNi
forj0jNj
ifijaijsi
05i102j1elseaij15cosi112j1
isha
gsa
jiaodivapri
tf