#include <stdio.h>
void goukei(int kosu,int data[],int *max,int *max_num){
	int count=0;
	*max=data[0];
	*max_num=0;
	do{
		count=count+1;
		if(*max<data[count]) {
			*max=data[count];
			*max_num=1;
		}
		else if(*max==data[count]){
			*max_num=*max_num+1;
		}
	}while(count<kosu);
	return;
}
int main(){
	int data1[]={10,15,30,15,30,30,7};
	int data2[]={10,10,10,10,10,10};
	int kosu1=6,kosu2=5,max,max_num;
	goukei(kosu1,data1,&max,&max_num);
	printf("%d.%d\n",max,max_num);
	goukei(kosu2,data2,&max,&max_num);
	printf("%d.%d\n",max,max_num);
	return 0;
}

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