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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#562331#5981. Costly Binary SearchZ_drj27 ✓28814ms86220kbC++141.6kb2024-09-13 16:49:332024-09-13 16:49:33

Judging History

你现在查看的是最新测评结果

  • [2024-09-13 16:49:33]
  • 评测
  • 测评结果:27
  • 用时:28814ms
  • 内存:86220kb
  • [2024-09-13 16:49:33]
  • 提交

answer

#include <bits/stdc++.h>

using i64 = long long;

const int N = 1E6 + 5;

int n;
std::string s;
int a[N];
int L[10][N], R[10][N];
// int f[300][300];

void solve() {
	std::cin >> s;
	n = s.length();
	
	for (int i = 1; i <= n; i++) {
		a[i] = s[i - 1] - '0';
		// f[i][i] = a[i];
	}

	// for (int i = 1; i < n; i++) {
	// 	f[i][i + 1] = a[i] + a[i + 1];
	// }

	// for (int len = 3; len <= n; len++) {
	// 	for (int l = 1, r = len; r <= n; ++l, ++r) {
	// 		f[l][r] = 1E9;
	// 		for (int k = l + 1; k < r; k++) {
	// 			f[l][r] = std::min(f[l][r], a[k] + std::max(f[l][k - 1], f[k + 1][r]));
	// 		}
	// 	}
	// }

	int ans = 1E9;
	for (int c = 0; c <= 180; c++) {
		int now = c % 10;
		for (int i = 0; i <= n + 1; i++) {
			L[now][i] = i + 1;
			R[now][i] = i - 1;
		}

		for (int i = 1; i <= n; i++) {
			if (c >= a[i]) {
				int x = L[(c - a[i]) % 10][i - 1], y = R[(c - a[i]) % 10][i + 1];
				L[now][y] = std::min(L[now][y], x);
				R[now][x] = std::max(R[now][x], y);
			}
		}

		for (int i = n; i >= 1; i--) {
			L[now][i] = std::min(L[now][i], L[now][i + 1]);
		}
		
		for (int i = 1; i <= n; i++) {
			R[now][i] = std::max(R[now][i], R[now][i - 1]);
		}

		for (int i = 1; i <= n; i++) {
			if (L[now][i - 1] <= 1 && R[now][i + 1] >= n) {
				ans = std::min(ans, c + a[i]);
			}
		}
	}

	std::cout << ans << "\n";
}

int main() {
	std::ios::sync_with_stdio(false);
	std::cin.tie(nullptr);

	int T;
	std::cin >> T;

	for (int i = 1; i <= T; i++) {
		std::cout << "Case #" << i << ": ";
		solve(); 
	}
	return 0;
}

详细

Subtask #1:

score: 8
Accepted

Test #1:

score: 8
Accepted
time: 280ms
memory: 44660kb

input:

50
8
5128831164925953487661279378526736416489768154389124821528467927357884749642747626797857463132866343496157991453139582295398452863172464853698678624523849653538713928372648295734165346972222781179687541337591976277864785653638476127839556323849395641196246971351933655287441377531627938395427487...

output:

Case #1: 8
Case #2: 37
Case #3: 34
Case #4: 37
Case #5: 34
Case #6: 114
Case #7: 126
Case #8: 24
Case #9: 37
Case #10: 103
Case #11: 36
Case #12: 64
Case #13: 37
Case #14: 117
Case #15: 37
Case #16: 35
Case #17: 14
Case #18: 34
Case #19: 36
Case #20: 37
Case #21: 38
Case #22: 39
Case #23: 14
Case #2...

result:

ok 50 lines

Subtask #2:

score: 19
Accepted

Test #2:

score: 19
Accepted
time: 28814ms
memory: 86220kb

input:

50
647322722753778843259213887674615134214258235986992692879314555957455541351526284343217116351733247781713552149464672262787737941588358671583528664757823365936975517145283412965139791726299864122725212222496898855627124979178341548651669956711341742838725446489235961853391195148929571712449139335...

output:

Case #1: 42
Case #2: 43
Case #3: 120
Case #4: 42
Case #5: 43
Case #6: 43
Case #7: 31
Case #8: 43
Case #9: 171
Case #10: 42
Case #11: 39
Case #12: 42
Case #13: 42
Case #14: 44
Case #15: 39
Case #16: 20
Case #17: 180
Case #18: 30
Case #19: 45
Case #20: 43
Case #21: 44
Case #22: 31
Case #23: 83
Case #2...

result:

ok 50 lines

Extra Test:

score: 0
Extra Test Passed