0_0_30137726_10664.cpp: In function 'int main()': 0_0_30137726_10664.cpp:61:30: error: 'dfs' was not declared in this scope dfs(i,j,0); ^ 0_0_30137726_10664.cpp:63:29: error: expected ')' before ';' token printf("%d %d",n1,n2; ^