Submission #38328

#	Time	Username	Problem	Language	Result	Execution time	Memory
38328		funcsr	Wombats (IOI13_wombats)	C++14	55 / 100	20000 ms	17644 KiB

wombats

#include "wombats.h"
#include <iostream>
#include <vector>
#include <set>
#include <queue>
#include <string>
#define rep(i, n) for (int i=0; i<(n); i++)
#define pb push_back
#define INF 1145141919
#define _1 first
#define _2 second
using namespace std;

int W, H;
int yoko[200][5000];
int tate[200][5000];
int dp[200];

void init(int R, int C, int _yoko[5000][200], int _tate[5000][200]) {
  W = C, H = R;
  rep(y, H) rep(x, W-1) yoko[x][y] = _yoko[y][x];
  rep(x, W) rep(y, H-1) tate[x][y] = _tate[y][x];
}

void changeH(int P, int Q, int W) {
  yoko[Q][P] = W;
}

void changeV(int P, int Q, int W) {
  tate[Q][P] = W;
}

int escape(int V1, int V2) {
  rep(x, W) dp[x] = INF;
  dp[V1] = 0;
  rep(x, W-1) dp[x+1] = min(dp[x+1], dp[x]+yoko[x][0]);
  for (int x=W-1; x>0; x--) dp[x-1] = min(dp[x-1], dp[x]+yoko[x-1][0]);

  rep(y, H-1) {
    rep(x, W) dp[x] += tate[x][y];
    rep(x, W-1) dp[x+1] = min(dp[x+1], dp[x]+yoko[x][y+1]);
    for (int x=W-1; x>0; x--) dp[x-1] = min(dp[x-1], dp[x]+yoko[x-1][y+1]);
  }
  return dp[V2];
}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
  int res;
      ^

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