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OI-source/history_source/信息学奥赛一本通/2.2.3.cpp
2023-08-03 09:22:52 +08:00

43 lines
857 B
C++

#include<iostream>
#include<string>
using namespace std;
struct data
{
string name;
int score;
};
bool cmp(data a,data b)
{
if(a.score>b.score) return 1;
if(a.score<b.score) return 0;
return a.name<b.name;
}
template<class T>
void fsort(T *left,T *right,bool (*cmp)(T a,T b),T *k)
{
if(right-left<=1) return;
unsigned int len=right-left;
fsort(left,left+len/2,cmp,k);
fsort(left+len/2,right,cmp,k+len/2);
int i=0,j=len/2,n=0;
while(i<len/2&&j<len)
{
if(cmp(left[i],left[j])) k[n++]=left[i++];
else k[n++]=left[j++];
}
while(i<len/2) k[n++]=left[i++];
while(j<len) k[n++]=left[j++];
for(int i=0;i<len;i++) left[i]=k[i];
}
int main()
{
int n;
scanf("%d",&n);
data stu[n],k[n];
for(int i=0;i<n;i++) cin>>stu[i].name>>stu[i].score;
fsort(stu,stu+n,cmp,k);
for(int i=0;i<n;i++) cout<<stu[i].name<<" "<<stu[i].score<<endl;
return 0;
}