Submission #36438493

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Source Code Expand

#include <stdio.h>

void swap (int *x, int *y);
int partition (int array[], int left, int right);
void quick_sort (int array[], int left, int right);

int main(void){
	int flag = 1;	// 1:Yes

	int n;
	scanf("%d", &n);
	int deck[n];
	char card[3];
	for(int i = 0; i < n && flag; i++){
		scanf("%s", card);
		deck[i] = 0;
		switch(card[0]){
			case 'H':
				deck[i] += 0 * 13;
				break;
			case 'D':
				deck[i] += 1 * 13;
				break;
			case 'C':
				deck[i] += 2 * 13;
				break;
			case 'S':
				deck[i] += 3 * 13;
				break;
			default:
				flag = 0;
				break;
		}
		switch(card[1]){
			case 'A':
				deck[i] += 1;
				break;
			case 'T':
				deck[i] += 10;
				break;
			case 'J':
				deck[i] += 11;
				break;
			case 'Q':
				deck[i] += 12;
				break;
			case 'K':
				deck[i] += 13;
				break;
			default:
				if(card[1] >= '2' && card[1] <= '9'){
					deck[i] += card[1] - 48;
				}
				else{
					flag = 0;
				}
				break;
		}
	}

	quick_sort(deck, 0, n-1);
	/*
	for(int i = 0; i < n; i++){
		printf("%d ", deck[i]);
	}
	*/
	for(int i = 0; i < n-1; i++){
		if(deck[i] == deck[i+1]){
			flag = 0;
			break;
		}
	}

	if(flag){
		printf("Yes\n");
	}
	else{
		printf("No\n");
	}
	
	return 0;
}

/* 値を入れ替える関数 */
void swap (int *x, int *y) {
  int temp;    // 値を一時保存する変数

  temp = *x;
  *x = *y;
  *y = temp;
}

/***
* pivotを決め、
* 全データをpivotを境目に振り分け、
* pivotの添え字を返す
***/
int partition (int array[], int left, int right) {
  int i, j, pivot;
  i = left;
  j = right + 1;
  pivot = left;   // 先頭要素をpivotとする

  do {
    do {
        i++;
    } while (array[i] < array[pivot]);
    do {
        j--;
    } while (array[pivot] < array[j]);
    // pivotより小さいものを左へ、大きいものを右へ
    if (i < j) {
        swap(&array[i], &array[j]);
    }
  } while (i < j);

  swap(&array[pivot], &array[j]);   //pivotを更新

  return j;
}

/* クイックソート */
void quick_sort (int array[], int left, int right) {
  int pivot;

  if (left < right) {
    pivot = partition(array, left, right);
    quick_sort(array, left, pivot-1);   // pivotを境に再帰的にクイックソート
    quick_sort(array, pivot+1, right);
  }
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:11:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   11 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
./Main.c:15:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   15 |   scanf("%s", card);
      |   ^~~~~~~~~~~~~~~~~

Judge Result