Submission #9800

#	Time	Username	Problem	Language	Result	Execution time	Memory
9800		hodduc	Phibonacci (kriii2_P)	C++98	0 / 4	0 ms	1948 KiB

P

#include<stdio.h>
#define rotR 0
#define rotC 1
#define negR 2
#define negC 3
int R, C;
int map[201][201];
int path[60002][3], PC;

void swap_two(int r1, int c1, int r2, int c2)
{
	if(r1 == r2) {
		// c1을 뒤집음
		path[PC][0] = negC;
		path[PC++][1] = c1;

		// c2를 c1자리로 rot
		path[PC][0] = rotR;
		path[PC][1] = r1;
		path[PC++][2] = c1 > c2 ? (c1 - c2) : (C - (c2 - c1));


		// c1을 뒤집음
		path[PC][0] = negC;
		path[PC++][1] = c1;

		// 반대로 rot
		path[PC][0] = rotR;
		path[PC][1] = r1;
		path[PC++][2] = c1 > c2 ? (C - (c1 - c2)) : (c2 - c1);
	} else {
		if (c1 != c2) {
			// 둘 모두 오른쪽에 맞춰둠
			path[PC][0] = rotR;
			if(c1 < c2){
				path[PC][1] = r1;
				path[PC++][2] = c2 - c1;
			} else if(c1 > c2) {
				path[PC][1] = r2;
				path[PC++][2] = c1 - c2;
			} 
		}
		// row를 뒤집음
		path[PC][0] = negR;
		path[PC++][1] = r1;
		// rot
		path[PC][0] = rotC;
		path[PC][1] = c1 > c2 ? c1 : c2;
		if(r1 < r2) path[PC++][2] = R - (r2 - r1);
		else 		path[PC++][2] = r1 - r2;

		// row를 뒤집음
		path[PC][0] = negR;
		path[PC++][1] = r1;

		// 반대로 rot
		path[PC][0] = rotC;
		path[PC][1] = c1 > c2 ? c1 : c2;
		if(r1 < r2) path[PC++][2] = r2 - r1;
		else 		path[PC++][2] = R - (r1 - r2);

		if (c1 != c2) {
			// 둘 모두 돌려둠
			path[PC][0] = rotR;
			if(c1 < c2){
				path[PC][1] = r1;
				path[PC++][2] = C - c2 + c1;
			} else if(c1 > c2){
				path[PC][1] = r2;
				path[PC++][2] = C - c1 + c2;
			}
		}
	}
}
void doit()
{
	int l1, l2, bo = 0;
	for(int i = 1; i <= R; i++)
	{
		for(int j = 1; j <= C; j++)
		{
			if(map[i][j] < 0){
				if(bo == 0){
					bo = 1; l1=i; l2=j;

				} else {
					bo = 0; swap_two(l1, l2, i, j);
				}
			}
		}
	}

	if(bo == 0) return;
	for(int i = 1; i <= R; i++)
	{
		for(int j = 1; j <= C; j++)
		{
			if(map[i][j] == 0){
				swap_two(l1, l2, i, j);
				return;
			}
		}
	}
	
}
int main()
{
	int sum = 0;
	int count_zero = 0;
	int count_neg = 0;
	int max_neg = -1999999999, negp1, negp2;
	int min_pos = 1999999999, posp1, posp2;
	scanf("%d %d", &R, &C);
	for(int i = 1; i <= R; i++) for(int j = 1; j <= C; j++){
		scanf("%d", &map[i][j]);
		if(map[i][j] > 0) sum += map[i][j];
		else sum -= map[i][j];

		if(map[i][j] == 0) count_zero ++;
		if(map[i][j] < 0){
			count_neg ++;
			if(max_neg < map[i][j]) max_neg = map[i][j], negp1=i, negp2=j;
		}
		if(map[i][j] > 0){
			if(min_pos > map[i][j]) min_pos = map[i][j], posp1=i, posp2=j;
		}
	}

	 if(R == 1 || C == 1) {
		if(R == 1) {
			for(int i = 1; i <= C; i++){
				if(map[1][i] < 0){
					path[PC][0] = negC;
					path[PC++][1] = i;
					map[1][i] *= -1;
				}
			}
		} else {
			for(int i = 1; i <= R; i++){
				if(map[i][1] < 0){
					path[PC][0] = negR;
					path[PC++][1] = i;
					map[i][1] *= -1;
				}
			}
		}
	} else if(count_zero > 0 || count_neg % 2 == 0) {
		doit();
	} else if(R%2 == 1 || C%2 == 1) {
		if(R % 2 == 1){ 
			path[PC][0] = negC;
			path[PC++][1] = 1;
			for(int i = 1; i <= R; i++) map[i][1] *= -1;
		} else {
			path[PC][0] = negR;
			path[PC++][1] = 1;
			for(int i = 1; i <= C; i++) map[1][i] *= -1;
		}
		doit();
	} else {
		map[negp1][negp2] = map[posp1][posp2] = 1; // no-process
		if((max_neg * -1) > min_pos){
			swap_two(negp1, negp2, posp1, posp2);
		}
	}

	if(count_zero != 0 || count_neg % 2 == 0 || R == 1 || C == 1 || R%2 == 1 || C%2 == 1) {
		printf("%d ", sum);
	}
	else {
		if((max_neg * -1) > min_pos){
			sum -= min_pos * 2;
		} else {
			sum += max_neg * 2;
		}
		printf("%d ", sum);
	}
	printf("%d\n", PC);
	for(int i = 0; i < PC; i++)
	{
		if(path[i][0] == negR) printf("negR %d\n", path[i][1]);
		if(path[i][0] == negC) printf("negC %d\n", path[i][1]);
		if(path[i][0] == rotC) printf("rotC %d %d\n", path[i][1], path[i][2]);
		if(path[i][0] == rotR) printf("rotR %d %d\n", path[i][1], path[i][2]);
	}


	return 0;
}

• Subtask 1: 0 / 1
• Subtask 2: 0 / 3