0_0_26028633_3297.cpp: In function 'bool spfa(int, int)':
0_0_26028633_3297.cpp:39:19: error: 'n' was not declared in this scope
for(int i=0;i<n;i++)
^
0_0_26028633_3297.cpp: In function 'int main()':
0_0_26028633_3297.cpp:83:14: error: too few arguments to function 'void init(int)'
init();
^
0_0_26028633_3297.cpp:15:6: note: declared here
void init(int n)
^
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