0_0_13279100_1774.cpp: In function 'int main()':
0_0_13279100_1774.cpp:225:5: error: expected ';' before 'int'
int n,m;
^
0_0_13279100_1774.cpp:226:17: error: 'n' was not declared in this scope
while (cin>>n>>m)
^
0_0_13279100_1774.cpp:226:20: error: 'm' was not declared in this scope
while (cin>>n>>m)
^
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