0_0_36543360_20031.cpp: In function 'void solve(int, int, int, int, int)':
0_0_36543360_20031.cpp:50:24: error: 'x' was not declared in this scope
if(dep[s]>dep[t])swap(x,y);
^
0_0_36543360_20031.cpp:50:26: error: 'y' was not declared in this scope
if(dep[s]>dep[t])swap(x,y);
^
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