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- #include<bits/stdc++.h>
- using namespace std;
- struct Student
- {
- char name[100],department[100];
- int roll,batch;
- };
- Student info[1000000];
- bool compare(Student a,Student b)
- {
- if(strcmp(a.department,b.department)<0)
- return true;
- if(strcmp(a.department,b.department)==0)
- {
- if(a.batch<b.batch)
- return true;
- if(a.batch==b.batch)
- {
- if(a.roll<b.roll)
- return true;
- }
- }
- return false;
- }
- int main()
- {
- int n,i;
- scanf("%d",&n);
- for(i=0; i<n; i++)
- {
- scanf("%s%d%s%d",&info[i].name,&info[i].roll,&info[i].department,&info[i].batch);
- }
- sort(info,info+n,compare);
- for(i=0; i<n; i++)
- {
- printf("%s %d %s %d\n",info[i].name,info[i].roll,info[i].department,info[i].batch);
- }
- return 0;
- }
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