답안 #99058

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
99058 2019-02-28T08:37:43 Z 조승현(#2855, ainta) Coin Collecting (JOI19_ho_t4) C++17
100 / 100
105 ms 6648 KB
#include<cstdio>
#include<algorithm>
#include<vector>
#define N_ 201000
using namespace std;
long long res;
struct point {
	int x, y;
}w[N_];
int C[N_][2], n, S[N_], T[N_];
void Right(int b, int e) {
	int i;
	int s1 = 0, s2 = 0;
	for (i = b; i <= e; i++) {
		s1 += C[i][0];
		s2 += C[i][1];
		if (i == e && s1 + s2 == 1) {
			C[i][0] = s1;
			C[i][1] = s2;
			continue;
		}
		if (s1 == 0) {
			C[i][0] = C[i][1] = 1;
			s2 -= 2;
			res++;
		}
		else if (s2 == 0) {
			C[i][0] = C[i][1] = 1;
			s1 -= 2;
			res++;
		}
		else {
			C[i][0] = C[i][1] = 1;
			s1--, s2--;
		}
	}
}
void Go(int b, int e, int pv) {
	int i;
	int s1 = 0, s2 = 0;
	for (i = b; i < pv; i++) {
		s1 += C[i][0];
		s2 += C[i][1];
		if (s1 > i-b+1) {
			int t = s1 - (i - b + 1);
			C[i][0] -= t;
			C[i][1] += t;
			res += t;
			s1 -= t;
			s2 += t;
		}
		if(s2 > i-b+1){
			int t = s2 - (i - b + 1);
			C[i][0] += t;
			C[i][1] -= t;
			res += t;
			s1 += t;
			s2 -= t;
		}
	}
	s1 = pv - b - s1;
	s2 = pv - b - s2;
	if (s1 > C[pv][0]) {
		int t = s1 - C[pv][0];
		C[pv][0] += t;
		C[pv][1] -= t;
		res += t;
	}
	if (s2 > C[pv][1]) {
		int t = s2 - C[pv][1];
		C[pv][0] -= t;
		C[pv][1] += t;
		res += t;
	}
	C[pv][0] -= s1;
	C[pv][1] -= s2;
	for (i = b; i < pv; i++) {
		C[i][0] = C[i][1] = 1;
	}
	Right(pv, e);
}
int main() {
	int i, j;
	scanf("%d", &n);
	for (i = 1; i <= n * 2; i++) {
		scanf("%d%d", &w[i].x, &w[i].y);
		if (w[i].x < 1) {
			res += 1 - w[i].x;
			w[i].x = 1;
		}
		if (w[i].x > n) {
			res += w[i].x - n;
			w[i].x = n;
		}
		if (w[i].y < 1) {
			res += 1 - w[i].y;
			w[i].y = 1;
		}
		if (w[i].y > 2) {
			res += w[i].y - 2;
			w[i].y = 2;
		}
		C[w[i].x][w[i].y - 1]++;
	}
	for (i = 1; i <= n; i++) {
		S[i] = S[i - 1] + C[i][0] + C[i][1];
		T[i] = S[i] - i * 2;
	}
	for (i = 1; i < n; i++) {
		res += abs(T[i]);
	}
	for (i = 1; i < n; i++) {
		if (T[i] == 0)continue;
		if (T[i] > 0) {
			for (j = i; j < n; j++)if (T[j] <= 0)break;
			Right(i, j);
			i = j - 1;
			continue;
		}
		else {
			for (j = i; j < n; j++)if (T[j] >= 0)break;
			int pv = j;
			if (T[pv] > 0) {
				for (j = pv; j < n; j++)if (T[j] <= 0)break;
				Go(i, j, pv);
				i = j - 1;
			}
			else {
				Go(i, pv, pv);
				i = pv - 1;
			}
		}
	}
	for (i = 1; i <= n; i++) {
		res += abs(C[i][0] - C[i][1]) / 2;
	}
	printf("%lld\n", res);
}

Compilation message

joi2019_ho_t4.cpp: In function 'int main()':
joi2019_ho_t4.cpp:84:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
joi2019_ho_t4.cpp:86:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &w[i].x, &w[i].y);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 356 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 356 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 3 ms 384 KB Output is correct
36 Correct 3 ms 384 KB Output is correct
37 Correct 3 ms 384 KB Output is correct
38 Correct 4 ms 384 KB Output is correct
39 Correct 3 ms 384 KB Output is correct
40 Correct 3 ms 384 KB Output is correct
41 Correct 3 ms 256 KB Output is correct
42 Correct 3 ms 384 KB Output is correct
43 Correct 2 ms 384 KB Output is correct
44 Correct 3 ms 384 KB Output is correct
45 Correct 3 ms 384 KB Output is correct
46 Correct 3 ms 384 KB Output is correct
47 Correct 4 ms 384 KB Output is correct
48 Correct 4 ms 428 KB Output is correct
49 Correct 2 ms 384 KB Output is correct
50 Correct 2 ms 384 KB Output is correct
51 Correct 3 ms 384 KB Output is correct
52 Correct 3 ms 384 KB Output is correct
53 Correct 3 ms 384 KB Output is correct
54 Correct 3 ms 384 KB Output is correct
55 Correct 2 ms 384 KB Output is correct
56 Correct 3 ms 384 KB Output is correct
57 Correct 2 ms 384 KB Output is correct
58 Correct 3 ms 384 KB Output is correct
59 Correct 3 ms 356 KB Output is correct
60 Correct 2 ms 384 KB Output is correct
61 Correct 3 ms 384 KB Output is correct
62 Correct 2 ms 384 KB Output is correct
63 Correct 2 ms 284 KB Output is correct
64 Correct 3 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 356 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 3 ms 384 KB Output is correct
36 Correct 3 ms 384 KB Output is correct
37 Correct 3 ms 384 KB Output is correct
38 Correct 4 ms 384 KB Output is correct
39 Correct 3 ms 384 KB Output is correct
40 Correct 3 ms 384 KB Output is correct
41 Correct 3 ms 256 KB Output is correct
42 Correct 3 ms 384 KB Output is correct
43 Correct 2 ms 384 KB Output is correct
44 Correct 3 ms 384 KB Output is correct
45 Correct 3 ms 384 KB Output is correct
46 Correct 3 ms 384 KB Output is correct
47 Correct 4 ms 384 KB Output is correct
48 Correct 4 ms 428 KB Output is correct
49 Correct 2 ms 384 KB Output is correct
50 Correct 2 ms 384 KB Output is correct
51 Correct 3 ms 384 KB Output is correct
52 Correct 3 ms 384 KB Output is correct
53 Correct 3 ms 384 KB Output is correct
54 Correct 3 ms 384 KB Output is correct
55 Correct 2 ms 384 KB Output is correct
56 Correct 3 ms 384 KB Output is correct
57 Correct 2 ms 384 KB Output is correct
58 Correct 3 ms 384 KB Output is correct
59 Correct 3 ms 356 KB Output is correct
60 Correct 2 ms 384 KB Output is correct
61 Correct 3 ms 384 KB Output is correct
62 Correct 2 ms 384 KB Output is correct
63 Correct 2 ms 284 KB Output is correct
64 Correct 3 ms 384 KB Output is correct
65 Correct 72 ms 4804 KB Output is correct
66 Correct 58 ms 6648 KB Output is correct
67 Correct 87 ms 6392 KB Output is correct
68 Correct 105 ms 6460 KB Output is correct
69 Correct 82 ms 6392 KB Output is correct
70 Correct 90 ms 6392 KB Output is correct
71 Correct 90 ms 6456 KB Output is correct
72 Correct 59 ms 6432 KB Output is correct
73 Correct 59 ms 6364 KB Output is correct
74 Correct 91 ms 6392 KB Output is correct
75 Correct 56 ms 6364 KB Output is correct
76 Correct 63 ms 6468 KB Output is correct
77 Correct 67 ms 6392 KB Output is correct
78 Correct 61 ms 6392 KB Output is correct
79 Correct 91 ms 6476 KB Output is correct
80 Correct 64 ms 6392 KB Output is correct
81 Correct 62 ms 6392 KB Output is correct
82 Correct 54 ms 6392 KB Output is correct
83 Correct 87 ms 6524 KB Output is correct
84 Correct 54 ms 6392 KB Output is correct
85 Correct 76 ms 6544 KB Output is correct
86 Correct 83 ms 6520 KB Output is correct
87 Correct 63 ms 6452 KB Output is correct
88 Correct 69 ms 6392 KB Output is correct
89 Correct 71 ms 6392 KB Output is correct
90 Correct 83 ms 6520 KB Output is correct
91 Correct 83 ms 6392 KB Output is correct
92 Correct 77 ms 6392 KB Output is correct
93 Correct 80 ms 6452 KB Output is correct
94 Correct 69 ms 6364 KB Output is correct
95 Correct 92 ms 6492 KB Output is correct
96 Correct 68 ms 6392 KB Output is correct
97 Correct 73 ms 6392 KB Output is correct
98 Correct 62 ms 6392 KB Output is correct
99 Correct 56 ms 6392 KB Output is correct
100 Correct 57 ms 6392 KB Output is correct
101 Correct 79 ms 6404 KB Output is correct
102 Correct 76 ms 6368 KB Output is correct
103 Correct 89 ms 6520 KB Output is correct