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谁能看看我为什么RE?没可能啊没可能啊 #include<iostream.h> int main() { int n,i,j,top,tot,t,tt,k,a[1000]; cin>>n; for(i=0;i<n;i++) { cin>>top>>tot;t=0; for(j=0;j<tot;j++)cin>>a[j]; for(j=0;j<tot;j++) { tt=a[j]-1; for(k=top-j-1;k>=top-tot+1;k--)tt*=k; t+=tt; for(k=j+1;k<tot;k++)if(a[k]>a[j])a[k]--; } cout<<"Variace cislo "<<i+1<<" ma poradove cislo "<<t+1<<"."<<endl; } } Followed by:
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