View Compilation Error

0_0_18036763_29413.cpp: In function 'void dfs(int, int)':
0_0_18036763_29413.cpp:22:27: error: expected ';' before ')' token
  for(int i = 0; i <= b_tot) dp[x][i] = -INF;
                           ^
0_0_18036763_29413.cpp:43:34: error: expected ')' before ';' token
  for(int i = 0: i < vec[x].size(); i++) {
                                  ^
0_0_18036763_29413.cpp:43:36: error: 'i' was not declared in this scope
  for(int i = 0: i < vec[x].size(); i++) {
                                    ^
0_0_18036763_29413.cpp: In function 'int main()':
0_0_18036763_29413.cpp:70:18: error: 'n' was not declared in this scope
   scanf("%d%d", &n, &m);
                  ^
0_0_18036763_29413.cpp:70:22: error: 'm' was not declared in this scope
   scanf("%d%d", &n, &m);
                      ^