Submission #72755278

Source Code Expand

#include<cstdio>
int n, m;
int c[30100];
int p[30100][10];
long long int dp[30100];
long long int maxdp[30100];
int invarr[20];
int dist(int x, int y) {
	for (int i = 0; i < m; i++) {
		invarr[p[x][i]] = i;
	}
	int res = 0;
	for (int i = 0; i < m; i++) {
		for (int j = i + 1; j < m; j++) {
			if (invarr[p[y][i]] > invarr[p[y][j]]) {
				res++;
			}
		}
	}
	return res;
}
int main() {
	scanf("%d%d", &n, &m);
	for (int i = 1; i <= n; i++) {
		scanf("%d", &c[i]);
		for (int j = 0; j < m; j++) {
			scanf("%d", &p[i][j]);
		}
	}
	for (int j = 0; j < m; j++) {
		p[0][j] = j + 1;
	}
	dp[0] = 0;
	long long int ans = 0;
	int maxswap = m * (m - 1) / 2;
	for (int i = 1; i <= n; i++) {
		dp[i] = -1e18;
		for (int j = i - 1; j >= 0 && j >= i - maxswap; j--) {
			if (dist(i, j) <= i - j) {
				if (dp[i] < dp[j])dp[i] = dp[j];
			}
		}
		if (i >= maxswap + 1) {
			if (dp[i] < maxdp[i - maxswap - 1])dp[i] = maxdp[i - maxswap - 1];
		}
		dp[i] += c[i];
		if (ans < dp[i])ans = dp[i];
		maxdp[i] = ans;
	}
	printf("%lld\n", ans);
	return 0;
}

Submission Info

Submission Time
Task A - Swapping Game
User gs12117
Language C++23 (GCC 15.2.0)
Score 600
Code Size 1090 Byte
Status AC
Exec Time 38 ms
Memory 3504 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 600 / 600
Status
AC × 4
AC × 41
Set Name Test Cases
Sample example0.txt, example1.txt, example2.txt, example3.txt
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, 032.txt, 033.txt, 034.txt, 035.txt, 036.txt, example0.txt, example1.txt, example2.txt, example3.txt
Case Name Status Exec Time Memory
000.txt AC 1 ms 1604 KiB
001.txt AC 3 ms 3404 KiB
002.txt AC 4 ms 3332 KiB
003.txt AC 6 ms 3244 KiB
004.txt AC 9 ms 3504 KiB
005.txt AC 17 ms 3344 KiB
006.txt AC 29 ms 3332 KiB
007.txt AC 38 ms 3364 KiB
008.txt AC 12 ms 3404 KiB
009.txt AC 23 ms 3332 KiB
010.txt AC 38 ms 3332 KiB
011.txt AC 38 ms 3392 KiB
012.txt AC 28 ms 3448 KiB
013.txt AC 38 ms 3480 KiB
014.txt AC 37 ms 3372 KiB
015.txt AC 36 ms 3404 KiB
016.txt AC 36 ms 3404 KiB
017.txt AC 36 ms 3244 KiB
018.txt AC 38 ms 3420 KiB
019.txt AC 38 ms 3396 KiB
020.txt AC 37 ms 3396 KiB
021.txt AC 36 ms 3396 KiB
022.txt AC 37 ms 3404 KiB
023.txt AC 38 ms 3392 KiB
024.txt AC 38 ms 3404 KiB
025.txt AC 36 ms 3392 KiB
026.txt AC 36 ms 3396 KiB
027.txt AC 36 ms 3344 KiB
028.txt AC 38 ms 3368 KiB
029.txt AC 38 ms 3420 KiB
030.txt AC 38 ms 3480 KiB
031.txt AC 38 ms 3244 KiB
032.txt AC 38 ms 3236 KiB
033.txt AC 38 ms 3244 KiB
034.txt AC 36 ms 3404 KiB
035.txt AC 36 ms 3420 KiB
036.txt AC 36 ms 3420 KiB
example0.txt AC 0 ms 1628 KiB
example1.txt AC 0 ms 1452 KiB
example2.txt AC 0 ms 1604 KiB
example3.txt AC 0 ms 1712 KiB