0_0_37472105_8171.cpp: In function 'void bfs(long long int, long long int, long long int)':
0_0_37472105_8171.cpp:19:6: error: redefinition of 'void bfs(long long int, long long int, long long int)'
void bfs(int x,int y,int k){
^
0_0_37472105_8171.cpp:10:6: note: 'void bfs(long long int, long long int, long long int)' previously defined here
void bfs(int x,int y,int k){
^
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