hdoj 1084 What Is Your Grade?
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What Is Your Grade?
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 9242 Accepted Submission(s): 2835
Problem Description
“Point, point, life of student!”
This is a ballad(歌谣)well known in colleges, and you must care about your score in this exam too. How many points can you get? Now, I told you the rules which are used in this course.
There are 5 problems in this final exam. And I will give you 100 points if you can solve all 5 problems; of course, it is fairly difficulty for many of you. If you can solve 4 problems, you can also get a high score 95 or 90 (you can get the former(前者) only when your rank is in the first half of all students who solve 4 problems). Analogically(以此类推), you can get 85、80、75、70、65、60. But you will not pass this exam if you solve nothing problem, and I will mark your score with 50.
Note, only 1 student will get the score 95 when 3 students have solved 4 problems.
I wish you all can pass the exam!
Come on!
This is a ballad(歌谣)well known in colleges, and you must care about your score in this exam too. How many points can you get? Now, I told you the rules which are used in this course.
There are 5 problems in this final exam. And I will give you 100 points if you can solve all 5 problems; of course, it is fairly difficulty for many of you. If you can solve 4 problems, you can also get a high score 95 or 90 (you can get the former(前者) only when your rank is in the first half of all students who solve 4 problems). Analogically(以此类推), you can get 85、80、75、70、65、60. But you will not pass this exam if you solve nothing problem, and I will mark your score with 50.
Note, only 1 student will get the score 95 when 3 students have solved 4 problems.
I wish you all can pass the exam!
Come on!
Input
Input contains multiple test cases. Each test case contains an integer N (1<=N<=100, the number of students) in a line first, and then N lines follow. Each line contains P (0<=P<=5 number of problems that have been solved) and T(consumed time). You can assume that all data are different when 0<p.
A test case starting with a negative integer terminates the input and this test case should not to be processed.
A test case starting with a negative integer terminates the input and this test case should not to be processed.
Output
Output the scores of N students in N lines for each case, and there is a blank line after each case.
Sample Input
45 06:30:174 07:31:274 08:12:124 05:23:1315 06:30:17-1
Sample Output
100909095100
不认真读题 就是要付出WA的代价。。。
#include<stdio.h>#include<string.h>#include<math.h>#include<algorithm>using namespace std;struct record{ int solve,time,order,score;//order记录该生出现的先后顺序 }num[110];bool cmp1(record a,record b){ return a.order<b.order;}bool cmp2(record a,record b){ if(a.solve!=b.solve) return a.solve>b.solve; else return a.time<b.time;}int main(){ int n,i,j,k; int a,b,c; int p4,p3,p2,p1; int sum1,sum2,sum3,sum4; while(scanf("%d",&n)!=EOF) { if(n<0) break; sum1=sum2=sum3=sum4=0; for(i=0;i<n;i++) { scanf("%d%d:%d:%d",&num[i].solve,&a,&b,&c); if(num[i].solve==1) sum1++; else if(num[i].solve==2) sum2++; else if(num[i].solve==3) sum3++; else if(num[i].solve==4) sum4++; num[i].time=a*3600+b*60+c; num[i].order=i; } sort(num,num+n,cmp2);//按排名排序 p4=p3=p2=p1=0;//记录解决同样数目问题的学生 已出现多少个 for(i=0;i<n;i++) { if(num[i].solve==5) num[i].score=100; else if(num[i].solve==0) num[i].score=50; else { if(num[i].solve==4) { if(p4<sum4/2) { num[i].score=95; p4++; } else { num[i].score=90; } } else if(num[i].solve==3) { if(p3<sum3/2) { num[i].score=85; p3++; } else { num[i].score=80; } } else if(num[i].solve==2) { if(p2<sum2/2) { num[i].score=75; p2++; } else { num[i].score=70; } } else { if(p1<sum1/2) { num[i].score=65; p1++; } else { num[i].score=60; } } } } sort(num,num+n,cmp1);//回到以前的序列 for(i=0;i<n;i++) printf("%d\n",num[i].score); printf("\n"); } return 0;}
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