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TLE///////有谁帮我看看#include <stdio.h> void main() { int p,x,y,b[30001],u[30001]; bool sign; scanf("%d",&p); for(int i=1;i<=30000;i++) u[i]=b[i]=0; char oper; while(p--) { scanf("%c",&oper); scanf("%c",&oper); if(oper=='M') { sign=1; scanf("%d%d",&x,&y); int t=x,f=y; while(sign&&b[x]) { if(x==y) sign=0; x=b[x]; } if(x==y) sign=0; while(sign&&u[y]) { if(t==y) sign=0; y=u[y]; } if(t==y) sign=0; if(sign) { b[x]=y; u[y]=x; } } else { int count=0; scanf("%d",&x); while(b[x]) { count++; x=b[x]; } printf("%d\n",count); } } } Followed by:
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