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1089题材,不知死在哪了,求指教#include<iostream> using namespace std; #define N 100000 void sort(int array[],int end[],int zz,int yy) { int k,i,z,y,k1; if(zz<yy) { z=zz;y=yy;k=array[z];k1=end[z]; do{ while((z<y)&&(array[y]>=k)) y--; if(z<y) { array[z]=array[y]; end[z]=end[y]; z++; } while((z<y)&&(array[z]<=k)) { z++; } if(z<y) { array[y]=array[z]; end[y]=end[z]; } }while(z!=y); array[z]=k;end[z]=k1; sort(array,end,zz,z-1); sort(array,end,z+1,yy); } } int main() { int n,i=0,t=0,u=0; int begin[N],end[N]; cin>>n; for(i=0;i<n;i++) { cin>>begin[i]>>end[i]; } sort(begin,end,0,n-1); for(i=0;i<n-1;i++) { for(int j=0;j<n-1-i;j++) { if((begin[j]==begin[j+1])&&(end[j]>end[j+1])) { u=end[i]; end[j]=end[j+1]; end[j+1]=u; } } } u=begin[0],t=end[0]; for(i=0;i<n;i++) { if(end[i]<begin[i+1]) { cout<<u<<" "<<t<<endl; u=begin[i+1]; t=end[i+1]; } else if(end[i]<=end[i+1]) { t=end[i+1]; } else{ while((i<n)&&(t>end[i+1])) { i++; if(t<begin[i+1]) { cout<<u<<" "<<t<<endl; u=begin[i+1]; t=end[i+1]; break; } else if(t<=end[i+1]) { t=end[i+1]; } } } } cout<<u<<" "<<t<<endl; return 0; } Followed by:
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