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2Â¥2013-10-30 12:54:47
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#include<iostream> using namespace std; //¶¨ÒåÒ»¸öÈ«¾ÖÊý×飬´æ·Å¸÷¸ö°à¼¶µÄ³É¼¨ float classscore[100]={0}; int classnumber[100]={0}; struct student{ char name[10]; char stno[10]; int clsno; float score; }; //ÊäÈëÒ»¸öѧÉúµÄÐÅÏ¢ student input(student &x) { cout<<"ÒÀ´ÎÊäÈëÐÕÃû¡¢Ñ§ºÅ¡¢°à¼¶¡¢·ÖÊý£º"<<endl; cin>>x.name>>x.stno>>x.clsno>>x.score; return x; } //Êä³öÒ»¸öѧÉúµÄÐÅÏ¢ void output2(student x) { cout<<"Êä³öѧÉúÐÅÏ¢£º"<<endl; cout<<x.name<<'\t'<<x.stno<<'\t'<<x.clsno<<'\t'<<x.score<<endl; } //ÅжÏÊÇ·ñΪ²»¼°¸ñµÄѧÉú int is_60(student x) { if(x.score<(float)60) return 1; else return 0; } //ÅжϸÃѧÉúÊÇÄÄÒ»¸ö°à¼¶µÄ int classno(student x) { return x.clsno; } //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% //Ö÷º¯Êý void main() { int num;//×ÜÈËÊý int num_60=0;//²»¼°¸ñµÄÈËÊý student ss[100]; cout<<"ÇëÊäÈëѧÉúÈËÊý£¨Ð¡ÓÚ100£©£º"<<endl; cin>>num; for(int i=0;i<num;i++) { cout<<"ÊäÈëµÚ"<<i<<"¸öѧÉúµÄÐÅÏ¢£º"<<endl; input(ss); } // for(int j=0;j<num;j++) { if(is_60(ss[j])) { num_60++; output2(ss[j]); } } cout<<"²»¼°¸ñµÄѧÉúÈËÊýΪ£º"<<num_60<<endl; for(int k=0;k<num;k++) { classscore[ss[k].clsno]+=ss[k].score; classnumber[ss[k].clsno]++; } for(int r=0;r<100;r++) { if(classnumber[r]!=0) cout<<r<<"°àµÄƽ¾ù³É¼¨Îª£º"<<classscore[r]/classnumber[r]<<endl; } } |
3Â¥2013-10-30 19:43:44














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