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답안 #34032

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
34032 2017-11-06T13:02:09 Z ToMoClone 즐거운 사진 수집 (JOI13_collecting) C++14
100 / 100
 2716 ms 181336 KB 
/*input
3 2
0 1
0 2

2 3
0 1
1 2
0 3
*/
#include <stdio.h>
using namespace std;

int n, q, sumr[21][1 << 20], sumc[21][1 << 20], col[1 << 20], row[1 << 20], fullrow[21], fullcol[21];
long long ans = 1;

int main(){
	scanf("%d%d", &n, &q);
	for(int i = 0; i <= n; ++i)
		fullrow[i] = fullcol[i] = (1 << (n - i));

	while(q--){
		int sign, num; scanf("%d%d", &sign, &num);
		--num;

		if(sign == 0){
			int val = row[num] ? -1 : 1;
			row[num] ^= 1;

			for(int i = 0; i <= n; ++i){
				// num -= num & (1 << i);

				if(sumr[i][num] == 0 || sumr[i][num] == (1 << i)) ans += 4 * fullcol[i], --fullrow[i];
				sumr[i][num] += val;

				if(sumr[i][num] == 0 || sumr[i][num] == (1 << i)) ans -= 4 * fullcol[i], ++fullrow[i];
				num -= num & (1 << i);
			}
		}

		if(sign == 1){
			int val = col[num] ? -1 : 1;
			col[num] ^= 1;

			for(int i = 0; i <= n; ++i){
				// num -= num & (1 << i);

				if(sumc[i][num] == 0 || sumc[i][num] == (1 << i)) ans += 4 * fullrow[i], --fullcol[i];
				sumc[i][num] += val;

				if(sumc[i][num] == 0 || sumc[i][num] == (1 << i)) ans -= 4 * fullrow[i], ++fullcol[i];
				num -= num & (1 << i);
			}
		}

		printf("%lld\n", ans);	
	}	
}

Compilation message

collecting.cpp: In function 'int main()':
collecting.cpp:18:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &q);
                       ^
collecting.cpp:23:44: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int sign, num; scanf("%d%d", &sign, &num);
                                            ^

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 181336 KB Output is correct
2 Correct 0 ms 181336 KB Output is correct
3 Correct 0 ms 181336 KB Output is correct
4 Correct 0 ms 181336 KB Output is correct
5 Correct 0 ms 181336 KB Output is correct
6 Correct 0 ms 181336 KB Output is correct
7 Correct 0 ms 181336 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 181336 KB Output is correct
2 Correct 0 ms 181336 KB Output is correct
3 Correct 0 ms 181336 KB Output is correct
4 Correct 0 ms 181336 KB Output is correct
5 Correct 0 ms 181336 KB Output is correct
6 Correct 0 ms 181336 KB Output is correct
7 Correct 0 ms 181336 KB Output is correct
8 Correct 0 ms 181336 KB Output is correct

Subtask #3
70.0 / 70.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2716 ms 181336 KB Output is correct
2 Correct 2513 ms 181336 KB Output is correct
3 Correct 2239 ms 181336 KB Output is correct
4 Correct 2376 ms 181336 KB Output is correct
5 Correct 2286 ms 181336 KB Output is correct
6 Correct 2276 ms 181336 KB Output is correct
7 Correct 2363 ms 181336 KB Output is correct
8 Correct 2363 ms 181336 KB Output is correct
9 Correct 1996 ms 181336 KB Output is correct
10 Correct 2033 ms 181336 KB Output is correct
11 Correct 2289 ms 181336 KB Output is correct
12 Correct 2169 ms 181336 KB Output is correct
13 Correct 2159 ms 181336 KB Output is correct