Submission #28772

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
28772	2017-07-17T07:29:36 Z	sgc109	Oriental P.A.D.A.K (FXCUP2_padak)	C++11	1 / 1	743 ms	57368 KB

padak

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int mod = 1e9+7;
const int INF = 0x3c3c3c3c;
const long long INFL = 0x3c3c3c3c3c3c3c3c;

int N, M, K, B, Z;
bool inRange(int i, int j){
	return 0 <= i && i < N && 0 <= j && j < M;
}
int cnt[1000003];
int backup[1000003];	
int** dist;
queue<pair<int,int> > q;
int main() {
	ios_base::sync_with_stdio(false),cin.tie(0);
	cin >> N >> M >> K >> B >> Z;
	dist = (int**)malloc(sizeof(int*) * N);
	for(int i = 0 ; i < N; i++) dist[i] = (int*)malloc(sizeof(int) * M);
	for(int i = 0 ; i < N; i++) for(int j = 0 ; j < M; j++) dist[i][j] = -1;
	for(int i = 0 ; i < K; i++){
		int r,c;
		cin >> r >> c;
		r--, c--;
		q.push({r, c});
		dist[r][c] = 0;
	}
	int maxD = 0;
	while(!q.empty()){
		auto p = q.front();
		q.pop();
		int ci = p.first;
		int cj = p.second;
		for(int k = 0 ; k < 4; k++){
			int ni = ci + "1021"[k] - '1';
			int nj = cj + "0112"[k] - '1';
			if(!inRange(ni, nj) || dist[ni][nj] != -1) continue;
			dist[ni][nj] = dist[ci][cj] + 1;
			cnt[dist[ni][nj]]++;
			maxD = max(maxD, dist[ni][nj]);
			q.push({ni, nj});
		}
	}
	for(int i = 0; i <= maxD; i++) backup[i] = cnt[i];
	int ans1 = 0;
	int t = 0;
	int cur = Z;
	for(int i = maxD; t < i;) {
		if(cnt[i] > cur){
			cnt[i] -= cur;
			ans1 += cur;
			cur = Z;
			t++;
		}
		else {
			cur -= cnt[i];
			ans1 += cnt[i];
			i--;
		}
	}
	cout << ans1 << endl;

	for(int i = 0 ; i <= maxD; i++) cnt[i] = backup[i];

	int ans2 = 0;
	t = 0;
	int pos = 1;
	cur = Z;
	while(t < maxD && pos <= maxD) {
		if(t == pos) pos = t + 1;
		if(cnt[pos] > cur){
			cnt[pos] -= cur;
			ans2 += cur;
			cur = Z;
			t++;
		}
		else {
			cur -= cnt[pos];
			ans2 += cnt[pos];
			pos++;
		}
	}

	cout << ans2;

	return 0;
}

Subtask #1

1.0 / 1.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	9992 KB	Output is correct
2	Correct	0 ms	9992 KB	Output is correct
3	Correct	29 ms	13952 KB	Output is correct
4	Correct	36 ms	13844 KB	Output is correct
5	Correct	36 ms	13936 KB	Output is correct
6	Correct	26 ms	15396 KB	Output is correct
7	Correct	26 ms	13932 KB	Output is correct
8	Correct	23 ms	13900 KB	Output is correct
9	Correct	66 ms	49092 KB	Output is correct
10	Correct	36 ms	13952 KB	Output is correct
11	Correct	53 ms	13976 KB	Output is correct
12	Correct	29 ms	13936 KB	Output is correct
13	Correct	33 ms	15396 KB	Output is correct
14	Correct	19 ms	13932 KB	Output is correct
15	Correct	33 ms	13900 KB	Output is correct
16	Correct	113 ms	49092 KB	Output is correct
17	Correct	39 ms	14216 KB	Output is correct
18	Correct	49 ms	14636 KB	Output is correct
19	Correct	39 ms	14200 KB	Output is correct
20	Correct	33 ms	15528 KB	Output is correct
21	Correct	66 ms	14856 KB	Output is correct
22	Correct	33 ms	13900 KB	Output is correct
23	Correct	183 ms	49092 KB	Output is correct
24	Correct	326 ms	22232 KB	Output is correct
25	Correct	333 ms	22228 KB	Output is correct
26	Correct	326 ms	22216 KB	Output is correct
27	Correct	446 ms	23772 KB	Output is correct
28	Correct	343 ms	22208 KB	Output is correct
29	Correct	356 ms	22080 KB	Output is correct
30	Correct	743 ms	57368 KB	Output is correct
31	Correct	39 ms	13952 KB	Output is correct
32	Correct	66 ms	49092 KB	Output is correct