0_0_26239398_22280.cpp: In function 'll dfs(int, int, int)':
0_0_26239398_22280.cpp:26:58: error: invalid initialization of reference of type 'int&' from expression of type 'll {aka long long int}'
if(o) chkmin(res, dfs(o^1, pos+k, k) - v[pos+k] + v[pos]);
^
0_0_26239398_22280.cpp:20:13: note: in passing argument 1 of 'void chkmin(int&, int)'
inline void chkmin(int &x, int y){ if(y < x) x = y; }
^
0_0_26239398_22280.cpp:27:79: error: invalid initialization of reference of type 'int&' from expression of type 'll {aka long long int}'
if(o && pos + k < n) chkmin(res, dfs(o^1, pos+k+1, k+1) - v[pos+k+1] + v[pos]);
^
0_0_26239398_22280.cpp:20:13: note: in passing argument 1 of 'void chkmin(int&, int)'
inline void chkmin(int &x, int y){ if(y < x) x = y; }
^
0_0_26239398_22280.cpp:28:59: error: invalid initialization of reference of type 'int&' from expression of type 'll {aka long long int}'
if(!o) chkmax(res, dfs(o^1, pos+k, k) + v[pos+k] - v[pos]);
^
0_0_26239398_22280.cpp:19:13: note: in passing argument 1 of 'void chkmax(int&, int)'
inline void chkmax(int &x, int y){ if(y > x) x = y; }
^
0_0_26239398_22280.cpp:29:80: error: invalid initialization of reference of type 'int&' from expression of type 'll {aka long long int}'
if(!o && pos + k < n) chkmax(res, dfs(o^1, pos+k+1, k+1) + v[pos+k+1] - v[pos]);
^
0_0_26239398_22280.cpp:19:13: note: in passing argument 1 of 'void chkmax(int&, int)'
inline void chkmax(int &x, int y){ if(y > x) x = y; }
^
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