새싹교실/2017/C언어가르쳐조/5월30일 - Revision history

219.255.207.60 at 09:51, 30 May 2017

2017-05-30T09:51:00Z

@@ Line 179: / Line 179: @@
   	return 0;
+  }
 = 기타 / 후기 / 방명록 =

2017-05-30T09:37:01Z

← Older revision		Revision as of 09:37, 30 May 2017
Line 115:		Line 115:

	return 0;		return 0;
			}
			#2
			int matrix_mul(int s, int **t, int N)
			{
			int *M = (int )malloc(sizeof(int)*N);
			int value;

			for (int sentinel = 0; sentinel < N; sentinel++)
			(M + sentinel) = (int )malloc(sizeof(int)*N);


			for (int sentinel = 0; sentinel < N; sentinel++)
			{
			for (int sentinel_2 = 0; sentinel_2 < N; sentinel_2++)
			{
			value = 0;
			for (int sentinel_3 = 0; sentinel_3 < N; sentinel_3++)
			{
			value += s[sentinel][sentinel_3] * t[sentinel_3][sentinel_2];
			}
			M[sentinel][sentinel_2] = value;
			}
			}

			return M;
	}		}

2017-05-30T09:09:32Z

@@ Line 31: / Line 31: @@
 ** '''좋은''' 정렬법!
 = 실습 =
+* #2 테스트 코드
 * 안재형
 ** #1

2017-05-30T08:49:36Z

← Older revision		Revision as of 08:49, 30 May 2017
Line 22:		Line 22:
	int matrix_mul(int s, int t, int N);		int matrix_mul(int s, int t, int N);
	* #3 : qsort 써보기		* #3 : qsort 써보기
	** void qsort(void* base, size_t n, size_t size, int (comp)(void, void*); //<stdlib.h>에 있는 표준 함수		** void qsort(void* base, size_t n, size_t size, int (comp)(void, void*)); //<stdlib.h>에 있는 표준 함수
	** 입력 :		** 입력 :
	** line 1 : 정렬 할 수의 개수 ( 0 < N <= 1,000,000)		** line 1 : 정렬 할 수의 개수 ( 0 < N <= 1,000,000)

2017-05-30T08:42:09Z

← Older revision		Revision as of 08:42, 30 May 2017
Line 46:		Line 46:
	for (int sentinel = 0; sentinel < input; sentinel++)		for (int sentinel = 0; sentinel < input; sentinel++)
	{		{
	scanf("%d", &i[[[sentinel]]]);		scanf("%d", &i[sentinel]);
	}		}

	for (int sentinel = 0; sentinel < input; sentinel++)		for (int sentinel = 0; sentinel < input; sentinel++)
	{		{
	count_i[[[sentinel]]] = i[[[input - sentinel - 1]]];		count_i[sentinel] = i[input - sentinel - 1];
	}		}

	for (int sentinel = 0; sentinel < input; sentinel++)		for (int sentinel = 0; sentinel < input; sentinel++)
	{		{
	printf("%d ", count_i[[[sentinel]]]);		printf("%d ", count_i[sentinel]);
	}		}
	printf("\n");		printf("\n");

2017-05-30T08:41:27Z

@@ Line 59: / Line 59: @@
+  	}
   	printf("\n");
   	return 0;

2017-05-30T08:40:51Z

2017-05-30T08:40:38Z

← Older revision		Revision as of 08:40, 30 May 2017
Line 34:		Line 34:
	* 안재형		* 안재형
	** #1		** #1
	~~#include <stdio.h>~~
			int main(void)
	int main(void)		{
	{		int i = (int )malloc(sizeof(int) * 1000000);
	int i = (int )malloc(sizeof(int) * 1000000);		int count_i = (int )malloc(sizeof(int) * 1000000);
	int count_i = (int )malloc(sizeof(int) * 1000000);		int input;
	int input;
			scanf("%d", &input);
	scanf("%d", &input);
			for (int sentinel = 0; sentinel < input; sentinel++)
	for (int sentinel = 0; sentinel < input; sentinel++)		{
	{		scanf("%d", &i[[[sentinel]]]);
	scanf("%d", &i[[[sentinel]]]);		}
	}
			for (int sentinel = 0; sentinel < input; sentinel++)
	for (int sentinel = 0; sentinel < input; sentinel++)		{
	{		count_i[[[sentinel]]] = i[[[input - sentinel - 1]]];
	count_i[[[sentinel]]] = i[[[input - sentinel - 1]]];		}
	}
			for (int sentinel = 0; sentinel < input; sentinel++)
	for (int sentinel = 0; sentinel < input; sentinel++)		{
	{		printf("%d ", count_i[[[sentinel]]]);
	printf("%d ", count_i[[[sentinel]]]);		}
	}		printf("\n");
	printf("\n");
			return 0;
	return 0;
	}		}
	= 기타 / 후기 / 방명록 =		= 기타 / 후기 / 방명록 =

2017-05-30T08:40:17Z

← Older revision		Revision as of 08:40, 30 May 2017
Line 46:		Line 46:
	for (int sentinel = 0; sentinel < input; sentinel++)		for (int sentinel = 0; sentinel < input; sentinel++)
	{		{
	scanf("%d", &i~~[~~sentinel~~]~~);		scanf("%d", &i[[[sentinel]]]);
	}		}

	for (int sentinel = 0; sentinel < input; sentinel++)		for (int sentinel = 0; sentinel < input; sentinel++)
	{		{
	count_i~~[~~sentinel~~]~~ = i[[input - sentinel - 1]];		count_i[[[sentinel]]] = i[[[input - sentinel - 1]]];
	}		}

	for (int sentinel = 0; sentinel < input; sentinel++)		for (int sentinel = 0; sentinel < input; sentinel++)
	{		{
	printf("%d ", count_i~~[~~sentinel~~]~~);		printf("%d ", count_i[[[sentinel]]]);
	}		}
	printf("\n");		printf("\n");

2017-05-30T08:39:19Z

← Older revision		Revision as of 08:39, 30 May 2017
Line 32:		Line 32:
	= 실습 =		= 실습 =

			* 안재형
			** #1
			#include <stdio.h>

			int main(void)
			{
			int i = (int )malloc(sizeof(int) * 1000000);
			int count_i = (int )malloc(sizeof(int) * 1000000);
			int input;

			scanf("%d", &input);

			for (int sentinel = 0; sentinel < input; sentinel++)
			{
			scanf("%d", &i[sentinel]);
			}

			for (int sentinel = 0; sentinel < input; sentinel++)
			{
			count_i[sentinel] = i[[input - sentinel - 1]];
			}

			for (int sentinel = 0; sentinel < input; sentinel++)
			{
			printf("%d ", count_i[sentinel]);
			}
			printf("\n");

			return 0;
			}
	= 기타 / 후기 / 방명록 =		= 기타 / 후기 / 방명록 =