#include "wombats.h"
#include <bits/stdc++.h>
#define endl "\n"
#define F first
#define S second
#define pb push_back
#define all(x) x.begin() , x.end()
typedef long long ll;
using namespace std;
const int N = 6e3+5;
const long long oo = 1e18;
ll dx[] = {1 , -1 , 0} ;
ll dy[] = {0 , 0 , 1} ;
ll n , m , h[N][204] , v[N][204] , sum , c , r ;
ll dis[105][105] ;
set < pair <ll, pair <ll, ll>> > st ;
void init(int R, int C, int H[5000][200], int V[5000][200]) {
n = R , m = C ;
for (int i = 0 ; i<n ; i++)
{
for (int j = 0 ; j<m ; j++)
{
v[i][j] = V[i][j] , h[i][j] = H[i][j] ;
sum += v[i][j] ;
}
}
}
void changeH(int P, int Q, int W) {
h[P][Q] = W ;
}
void changeV(int P, int Q, int W) {
sum -= v[P][Q] ;
sum += W ;
v[P][Q] = W ;
}
int escape(int V1, int V2)
{
if (C == 1)
return sum ;
for (int p = 0 ; p<n ; p++)
for (int j = 0 ; j<m ; j++)
dis[p][j] = oo ;
st.insert({0 , {0 , V1}});
while (!st.empty())
{
pair <ll , pair <ll,ll>> pr = *st.begin() ;
st.erase(st.begin());
ll cos = pr.F , x = pr.S.F , y = pr.S.S ;
if (cos + v[x][y] < dis[x+1][y] && x+1 < n)
{
dis[x+1][y] = cos + v[x][y] ;
st.insert({dis[x+1][y] , {x+1 , y}});
}
if (cos + h[x][y] < dis[x][y+1] && y+1<m)
{
dis[x][y+1] = cos + h[x][y] ;
st.insert({dis[x][y+1] , {x , y+1}});
}
if (cos + h[x][y-1] < dis[x][y-1] && y-1 >= 0)
{
dis[x][y-1] = cos + h[x][y-1] ;
st.insert({dis[x][y-1] , {x , y-1}});
}
}
return dis[n-1][V2];
}
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:59:9: error: 'C' was not declared in this scope
59 | if (C == 1)
| ^
