Submission #6041

# Submission time Handle Problem Language Result Execution time Memory
6041 2014-06-15T20:13:16 Z kriii 돌 옮기기 (GA7_stone) C++
100 / 100
100 ms 18276 KB
#include <stdio.h>

int R,N,X[1200006]; long long S[1200006];
char C[1200006],P[400006]; int pi[400006];

long long abs(long long a){return a < 0 ? -a : a;}

int main()
{
	scanf ("%d %d",&R,&N); N *= 2;
	for (int i=N;i<2*N;i++){
		scanf ("%d %c",&X[i],&P[i-N]);
		X[i-N] = X[i] - R;
		X[i+N] = X[i] + R;
		C[i-N] = C[i+N] = C[i] = P[i-N];
		P[i-N] = (P[i-N] == 'B') ? 'W' : 'B';
	}

	S[0] = X[0];
	for (int i=1;i<3*N;i++) S[i] = S[i-1] + X[i];

	pi[0] = -1;
	for (int i=1,k=-1;i<N;i++){
		while (k >= 0 && P[k+1] != P[i]) k = pi[k];
		if (P[k+1] == P[i]) k++;
		pi[i] = k;
	}

	long long ans = 1ll << 62;
	for (int i=0,k=-1;i<6*N;i++){
		while (k >= 0 && P[k+1] != C[i]) k = pi[k];
		if (P[k+1] == C[i]){
			k++;
			if (k == N-1){
				long long a = S[2*N-1] - S[N-1];
				long long b = S[i] - S[i-N];
				long long c = abs(a - b);
				if (ans > c) ans = c;
				k = pi[k];
			}
			else continue;
		}
	}

	if (ans == 1ll << 62) ans = -1;
	printf ("%lld\n",ans);

	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 18276 KB Output is correct
2 Correct 0 ms 18276 KB Output is correct
3 Correct 0 ms 18276 KB Output is correct
4 Correct 0 ms 18276 KB Output is correct
5 Correct 0 ms 18276 KB Output is correct
6 Correct 0 ms 18276 KB Output is correct
7 Correct 0 ms 18276 KB Output is correct
8 Correct 0 ms 18276 KB Output is correct
9 Correct 0 ms 18276 KB Output is correct
10 Correct 0 ms 18276 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 18276 KB Output is correct
2 Correct 0 ms 18276 KB Output is correct
3 Correct 0 ms 18276 KB Output is correct
4 Correct 0 ms 18276 KB Output is correct
5 Correct 0 ms 18276 KB Output is correct
6 Correct 0 ms 18276 KB Output is correct
7 Correct 0 ms 18276 KB Output is correct
8 Correct 0 ms 18276 KB Output is correct
9 Correct 0 ms 18276 KB Output is correct
10 Correct 0 ms 18276 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 18276 KB Output is correct
2 Correct 0 ms 18276 KB Output is correct
3 Correct 0 ms 18276 KB Output is correct
4 Correct 0 ms 18276 KB Output is correct
5 Correct 0 ms 18276 KB Output is correct
6 Correct 0 ms 18276 KB Output is correct
7 Correct 0 ms 18276 KB Output is correct
8 Correct 0 ms 18276 KB Output is correct
9 Correct 0 ms 18276 KB Output is correct
10 Correct 0 ms 18276 KB Output is correct
11 Correct 0 ms 18276 KB Output is correct
12 Correct 0 ms 18276 KB Output is correct
13 Correct 0 ms 18276 KB Output is correct
14 Correct 0 ms 18276 KB Output is correct
15 Correct 0 ms 18276 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 18276 KB Output is correct
2 Correct 0 ms 18276 KB Output is correct
3 Correct 0 ms 18276 KB Output is correct
4 Correct 0 ms 18276 KB Output is correct
5 Correct 0 ms 18276 KB Output is correct
6 Correct 0 ms 18276 KB Output is correct
7 Correct 0 ms 18276 KB Output is correct
8 Correct 0 ms 18276 KB Output is correct
9 Correct 0 ms 18276 KB Output is correct
10 Correct 0 ms 18276 KB Output is correct
11 Correct 0 ms 18276 KB Output is correct
12 Correct 0 ms 18276 KB Output is correct
13 Correct 0 ms 18276 KB Output is correct
14 Correct 0 ms 18276 KB Output is correct
15 Correct 0 ms 18276 KB Output is correct
16 Correct 0 ms 18276 KB Output is correct
17 Correct 0 ms 18276 KB Output is correct
18 Correct 0 ms 18276 KB Output is correct
19 Correct 0 ms 18276 KB Output is correct
20 Correct 0 ms 18276 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 44 ms 18276 KB Output is correct
2 Correct 52 ms 18276 KB Output is correct
3 Correct 36 ms 18276 KB Output is correct
4 Correct 24 ms 18276 KB Output is correct
5 Correct 48 ms 18276 KB Output is correct
6 Correct 84 ms 18276 KB Output is correct
7 Correct 72 ms 18276 KB Output is correct
8 Correct 88 ms 18276 KB Output is correct
9 Correct 72 ms 18276 KB Output is correct
10 Correct 96 ms 18276 KB Output is correct
11 Correct 68 ms 18276 KB Output is correct
12 Correct 84 ms 18276 KB Output is correct
13 Correct 88 ms 18276 KB Output is correct
14 Correct 100 ms 18276 KB Output is correct
15 Correct 92 ms 18276 KB Output is correct
16 Correct 92 ms 18276 KB Output is correct
17 Correct 96 ms 18276 KB Output is correct
18 Correct 84 ms 18276 KB Output is correct
19 Correct 84 ms 18276 KB Output is correct
20 Correct 88 ms 18276 KB Output is correct
21 Correct 80 ms 18276 KB Output is correct
22 Correct 88 ms 18276 KB Output is correct
23 Correct 100 ms 18276 KB Output is correct
24 Correct 96 ms 18276 KB Output is correct
25 Correct 80 ms 18276 KB Output is correct
26 Correct 92 ms 18276 KB Output is correct
27 Correct 80 ms 18276 KB Output is correct
28 Correct 96 ms 18276 KB Output is correct
29 Correct 84 ms 18276 KB Output is correct
30 Correct 92 ms 18276 KB Output is correct