题目55667788但其实很简单?
#include<stdio.h>
#include<algorithm>
using namespace std;
int main(){
int v[4];
while(scanf("%d%d%d%d",&v[0],&v[1],&v[2],&v[3])!=EOF){
sort(v,v+4);
int y;
y=v[3]*1000+v[2]*100+v[1]*10+v[0];
printf("%d\n",y);
}
}
#include<algorithm>
using namespace std;
int main(){
int v[4];
while(scanf("%d%d%d%d",&v[0],&v[1],&v[2],&v[3])!=EOF){
sort(v,v+4);
int y;
y=v[3]*1000+v[2]*100+v[1]*10+v[0];
printf("%d\n",y);
}
}