#include "wombats.h"
#include <bits/stdc++.h>
using namespace std;
struct edge
{
int x,y;
unsigned int dist;
edge(){};
edge(int xi, int yi, unsigned int di)
{
x = xi;
y = yi;
dist = di;
}
bool operator<(const edge&ed) const
{
return dist>ed.dist;
}
};
int r,c;
int h[5000][200],v[5000][200];
unsigned int d[5000][200],inf = -1;
void changeH(int P, int Q, int W)
{
h[P][Q] = W;
}
void changeV(int P, int Q, int W)
{
v[P][Q] = W;
}
int escape(int V1, int V2)
{
memset(d,-1,sizeof(d));
priority_queue<edge>q;
d[0][V1] = 0;
q.push({0,V1,0});
edge e,nb;
while(!q.empty())
{
e = q.top();
q.pop();
if(e.dist<=d[e.x][e.y])
{
///LEFT
nb = {0,0,inf};
if(e.y>0) nb = {e.x,e.y-1,h[e.x][e.y-1]};
if(nb.dist!=inf&&e.dist+nb.dist<d[nb.x][nb.y])
{
nb.dist += e.dist;
d[nb.x][nb.y] = nb.dist;
q.push(nb);
}
///RIGHT
nb = {0,0,inf};
if(e.y<c-1) nb = {e.x,e.y+1,h[e.x][e.y]};
if(nb.dist!=inf&&e.dist+nb.dist<d[nb.x][nb.y])
{
nb.dist += e.dist;
d[nb.x][nb.y] = nb.dist;
q.push(nb);
}
///DOWN
nb = {0,0,inf};
if(e.x<r-1) nb = {e.x+1,e.y,v[e.x][e.y]};
if(nb.dist!=inf&&e.dist+nb.dist<d[nb.x][nb.y])
{
nb.dist += e.dist;
d[nb.x][nb.y] = nb.dist;
q.push(nb);
}
}
}
cout << d[r-1][V2] << endl;
}
void init(int R, int C, int H[5000][200], int V[5000][200])
{
r = R;
c = C;
for(int i=0;i<R;i++)
for(int j=0;j<C-1;j++) h[i][j] = H[i][j];
for(int i=0;i<R-1;i++)
for(int j=0;j<C;j++) v[i][j] = V[i][j];
}
Compilation message
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:52:51: warning: narrowing conversion of 'h[e.edge::x][(e.edge::y - 1)]' from 'int' to 'unsigned int' [-Wnarrowing]
52 | if(e.y>0) nb = {e.x,e.y-1,h[e.x][e.y-1]};
| ~~~~~~~~~~~~^
wombats.cpp:62:51: warning: narrowing conversion of 'h[e.edge::x][e.edge::y]' from 'int' to 'unsigned int' [-Wnarrowing]
62 | if(e.y<c-1) nb = {e.x,e.y+1,h[e.x][e.y]};
| ~~~~~~~~~~^
wombats.cpp:72:51: warning: narrowing conversion of 'v[e.edge::x][e.edge::y]' from 'int' to 'unsigned int' [-Wnarrowing]
72 | if(e.x<r-1) nb = {e.x+1,e.y,v[e.x][e.y]};
| ~~~~~~~~~~^
wombats.cpp:82:1: warning: no return statement in function returning non-void [-Wreturn-type]
82 | }
| ^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
15 ms |
30040 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
7 ms |
12888 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
16 ms |
21544 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
26 ms |
40028 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
13 ms |
21304 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
18 ms |
21340 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |