0_0_19201504_12342.cpp: In function 'long long int cal_MST_cout()':
0_0_19201504_12342.cpp:86:31: error: 'sort' was not declared in this scope
sort(e + 1, e + m + 1, cmp);
^
0_0_19201504_12342.cpp:91:39: error: 'memset' was not declared in this scope
memset(visit, false, sizeof(visit));
^
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