PAT (Advanced Level) Practise 1083 List Grades (25)
2017-07-05 20:16
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1083. List Grades (25)
时间限制400 ms
内存限制
65536 kB
代码长度限制
16000 B
判题程序
Standard
作者
CHEN, Yue
Given a list of N student records with name, ID and grade. You are supposed to sort the records with respect to the grade in non-increasing order, and output those student records of which the grades are in a given interval.
Input Specification:
Each input file contains one test case. Each case is given in the following format:
N name[1] ID[1] grade[1] name[2] ID[2] grade[2] ... ... name ID grade grade1 grade2
where name[i] and ID[i] are strings of no more than 10 characters with no space, grade[i] is an integer in [0, 100], grade1 and grade2 are the boundaries of the grade's interval. It is guaranteed that all the grades are distinct.
Output Specification:
For each test case you should output the student records of which the grades are in the given interval [grade1, grade2] and are in non-increasing order. Each student record occupies a line with the student's name and ID, separated by one space. If there is
no student's grade in that interval, output "NONE" instead.
Sample Input 1:
4 Tom CS000001 59 Joe Math990112 89 Mike CS991301 100 Mary EE990830 95 60 100
Sample Output 1:
Mike CS991301 Mary EE990830 Joe Math990112
Sample Input 2:
2 Jean AA980920 60 Ann CS01 80 90 95
Sample Output 2:
NONE
题意:给出n个人的名字,id和分数,问在一个分数段里的有哪些人,按字典序输出
#include <iostream>
#include <cstdio>
#include <string>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <functional>
#include <climits>
using namespace std;
#define LL long long
const int INF = 0x7FFFFFFF;
char name[100009][25],id[100009][25];
int score[100009];
int n, l, r;
vector<int> ans;
bool cmp(const int &x, const int&y)
{
return score[x] > score[y];
}
int main()
{
while (~scanf("%d", &n))
{
ans.clear();
for (int i = 0; i < n; i++) scanf("%s%s%d", name[i], id[i], &score[i]);
scanf("%d%d", &l, &r);
for (int i = 0; i < n; i++)
if (score[i] >= l&&score[i] <= r) ans.push_back(i);
sort(ans.begin(), ans.end(), cmp);
if (ans.size())
{
for (int i = 0; i < ans.size(); i++)
printf("%s %s\n", name[ans[i]], id[ans[i]]);
}
else printf("NONE\n");
}
return 0;
}
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