// Solve the game
 
#include <stdio.h>
#include <stdlib.h>
 
void printA(int a[], int n){
    int i;
    for(i=0;i<n;i++){
        printf("%d ",a[i]);
    }
    printf("\n");
}
 
void swap(int* a, int* b){
    int  tmp;
    tmp = *a;
    *a = *b;
    *b = tmp;
}
 
//ゲーム結果を出力する関数
void solve(int a[], int n){
	//ここを書き換える
	int A=0,B=0;
	int i,t=0,MAX=100;
    int b[MAX];
    for(i=0;i<MAX;i++) b[i] = 0;
    for(i=0; i<n; i++) b[a[i]]++;
    for(i=0;i<MAX;i++) if(b[i]==1) a[t++] = i;
    //printA(a,n);
    for(i=n-1;i>=1;i-=2){
    	A+=a[i];
    	B+=a[i-1];
    }
	if(n%2==1)	A+=a[0];
	printf("A:%d\nB:%d",A,B);
}
 
int main(void){
    int n,i;
    int *v;
    scanf("%d",&n);
    v = (int*)malloc(sizeof(int)*n);
    if(v==NULL){
        printf("ERROR\n");
        return -1;
    }
    for(i=0;i<n;i++){
        scanf("%d",&v[i]);
    }
    solve(v,n);
    free(v);
    return 0;
}
 

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