0_0_18157909_15688.cpp:53:2: error: 'a' does not name a type
}a
^
0_0_18157909_15688.cpp: In function 'int main()':
0_0_18157909_15688.cpp:74:13: error: 'add' was not declared in this scope
add(u,v,b);
^
0_0_18157909_15688.cpp:81:18: error: 'add' was not declared in this scope
add(s,i,in[i]);
^
0_0_18157909_15688.cpp:84:23: error: 'add' was not declared in this scope
else add(i,t,-in[i]);
^
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