Submission #1067780

#	Time	Username	Problem	Language	Result	Execution time	Memory
1067780		sleepntsheep	Wombats (IOI13_wombats)	C++17	9 / 100	38 ms	15960 KiB

wombats

#include "wombats.h"
#include <algorithm>
#include <cstring>
#include <vector>
using namespace std;

template <typename T>
using ve = vector<T>;


int r, c, at[9999], h[5000][200], v[5000][200];
int sum = 0;


int c_is_2_dp() {
	static int dp[5001][2];
	dp[0][0] = dp[0][1] = 0;

	for (int i = 1; i <= r; ++i) {
		dp[i][0] = dp[i - 1][0] + h[i - 1][0];
		dp[i][1] = dp[i - 1][1] + h[i - 1][1];
		dp[i][0] = min(dp[i][0], dp[i][1] + v[i][0]);
		dp[i][1] = min(dp[i][1], dp[i][0] + v[i][0]);
	}
	return min(dp[r][0], dp[r][1]);
}

void changeH(int P, int Q, int W) {
	if (c == 2) {
		h[P][Q] = W;
	}
	/* ... */
}

void changeV(int P, int Q, int W) {
	if (c == 1) {
		sum += W - at[P];
		at[P] = W;
	} else if (c == 2) {
		v[P][Q] = W;
	}
	/* ... */
}

void init(int R, int C, int H[5000][200], int V[5000][200]) {
	r = R, c = C;

	if (c == 1)
		for (int i = 0; i < r; ++i) changeV(i, 0, V[i][0]);
	else if (c == 2) {
		for (int i = 0; i < r; ++i) changeV(i, 0, V[i][0]), changeV(i, 1, V[i][1]), changeH(i, 0, H[i][0]);
	}
}

int escape(int V1, int V2) {
	if (c == 1)
		return sum;
	else if (c == 2)
		return c_is_2_dp();
}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   15 |  int res;
      |      ^~~
wombats.cpp: In function 'int escape(int, int)':
wombats.cpp:60:1: warning: control reaches end of non-void function [-Wreturn-type]
   60 | }
      | ^

• Subtask 1: 9 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 16
• Subtask 4: 0 / 18
• Subtask 5: 0 / 21
• Subtask 6: 0 / 24