0_0_22096458_18545.cpp: In function 'bool dfs(int, int)':
0_0_22096458_18545.cpp:10:2: error: 'nbsp' was not declared in this scope
int i,u;
^
0_0_22096458_18545.cpp:27:68: error: 'else' without a previous 'if'
else visit[u] = 0;
^
0_0_22096458_18545.cpp: In function 'void init()':
0_0_22096458_18545.cpp:35:2: error: 'nbsp' was not declared in this scope
int i;
^
0_0_22096458_18545.cpp: In function 'int main()':
0_0_22096458_18545.cpp:43:2: error: 'nbsp' was not declared in this scope
int m,u,v;
^
0_0_22096458_18545.cpp:59:44: error: 'else' without a previous 'if'
else printf("1\n");
^
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