0_0_36273630_19926.cpp:11:11: error: redefinition of 'const int maxn'
const int maxn = 8;
^
0_0_36273630_19926.cpp:6:11: note: 'const int maxn' previously defined here
const int maxn=8;
^
0_0_36273630_19926.cpp:12:23: error: redefinition of 'bool square [8][8]'
bool square[maxn][maxn];
^
0_0_36273630_19926.cpp:7:6: note: 'bool square [8][8]' previously declared here
bool square[maxn][maxn];
^
0_0_36273630_19926.cpp:13:5: error: redefinition of 'int sx'
int sx, sy, ex, ey;
^
0_0_36273630_19926.cpp:8:5: note: 'int sx' previously declared here
int sx,sy,ex,ey;
^
0_0_36273630_19926.cpp:13:9: error: redefinition of 'int sy'
int sx, sy, ex, ey;
^
0_0_36273630_19926.cpp:8:8: note: 'int sy' previously declared here
int sx,sy,ex,ey;
^
0_0_36273630_19926.cpp:13:13: error: redefinition of 'int ex'
int sx, sy, ex, ey;
^
0_0_36273630_19926.cpp:8:11: note: 'int ex' previously declared here
int sx,sy,ex,ey;
^
0_0_36273630_19926.cpp:13:17: error: redefinition of 'int ey'
int sx, sy, ex, ey;
^
0_0_36273630_19926.cpp:8:14: note: 'int ey' previously declared here
int sx,sy,ex,ey;
^
0_0_36273630_19926.cpp:14:13: error: redefinition of 'int dir [8][2]'
int dir[8][2] = {{-2, -1}, {-2, 1}, {-1, -2}, {-1, 2}, {1, -2}, {1, 2}, {2, -1}, {2, 1}};
^
0_0_36273630_19926.cpp:9:5: note: 'int dir [8][2]' previously defined here
int dir[8][2]={{-2,-1},{-2,1},{-1,-2},{-1,2},{1,-2},{1,2},{2,-1},{2,1}};
^
0_0_36273630_19926.cpp: In function 'int bfs()':
0_0_36273630_19926.cpp:18:2: error: 't' was not declared in this scope
t.x=sx;
^
0_0_36273630_19926.cpp:24:3: error: 'tmp' was not declared in this scope
tmp=que.front();
^
0_0_36273630_19926.cpp: In function 'int main()':
0_0_36273630_19926.cpp:42:21: error: 'strq' was not declared in this scope
while(scanf("%s%s",strq,str2)!=EOF){
^
0_0_36273630_19926.cpp:43:6: error: 'str' was not declared in this scope
sx=str[1]-'1';sy=str1[0]-'a';
^
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