Submission #281908

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
281908	2020-08-23 15:36:34	Plurm	Mecho (IOI09_mecho)	C++11	30 / 100	445 ms	6400 KiB

mecho

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#include <bits/stdc++.h>
using namespace std;
char t[1024][1024];
char test[1024][1024];
int dist[1024][1024];
int n, s;
class state{
public:
  int x,y,cw;
  state(int a, int b, int c): x(a), y(b), cw(c) {}
};
void propagateBees(queue<state>& q, int limit){
  while(!q.empty() && q.front().cw < limit){
    state cur = q.front();
    q.pop();
    int x = cur.x;
    int y = cur.y;
    int w = cur.cw+1;
    if(x > 1 && (test[x-1][y] == 'G' || test[x-1][y] == 'M') && dist[x-1][y] > w){
      dist[x-1][y] = w;
      test[x-1][y] = 'H';
      q.emplace(x-1, y, w);
    }
    if(x < n && (test[x+1][y] == 'G' || test[x+1][y] == 'M') && dist[x+1][y] > w){
      dist[x+1][y] = w;
      test[x+1][y] = 'H';
      q.emplace(x+1, y, w);
    }
    if(y > 1 && (test[x][y-1] == 'G' || test[x][y-1] == 'M') && dist[x][y-1] > w){
      dist[x][y-1] = w;
 
 
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Compilation message (stderr)

mecho.cpp: In function 'bool escapePossible(int)':
mecho.cpp:92:6: warning: unused variable 'oldDays' [-Wunused-variable]
   92 |  int oldDays = days;
      |      ^~~~~~~
mecho.cpp: In function 'int main()':
mecho.cpp:102:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  102 |  scanf("%d%d",&n,&s);
      |  ~~~~~^~~~~~~~~~~~~~
mecho.cpp:104:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  104 |   scanf("%s", t[i]+1);
      |   ~~~~~^~~~~~~~~~~~~~
mecho.cpp: In function 'bool escapePossible(int)':
mecho.cpp:73:10: warning: 'dy' may be used uninitialized in this function [-Wmaybe-uninitialized]
   73 |  int dx, dy;
      |          ^~
mecho.cpp:73:6: warning: 'dx' may be used uninitialized in this function [-Wmaybe-uninitialized]
   73 |  int dx, dy;
      |      ^~

• Subtask 1: 30 / 100