View Compilation Error

0_0_10106852_29568.cpp: In function `void dfs(int, int, int)':
0_0_10106852_29568.cpp:7: error: `checkmax' undeclared (first use this function)
0_0_10106852_29568.cpp:7: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10106852_29568.cpp:8: error: `j' undeclared (first use this function)
0_0_10106852_29568.cpp:8: error: `FOR' undeclared (first use this function)
0_0_10106852_29568.cpp:8: error: expected `;' before '{' token
0_0_10106852_29568.cpp: In function `int main()':
0_0_10106852_29568.cpp:23: error: `scanf' undeclared (first use this function)
0_0_10106852_29568.cpp:24: error: `i' undeclared (first use this function)
0_0_10106852_29568.cpp:24: error: `FOR' undeclared (first use this function)
0_0_10106852_29568.cpp:24: error: expected `;' before '{' token
0_0_10106852_29568.cpp:31: error: `printf' undeclared (first use this function)