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algorithm/Week_03/id_102/leetcode_997_102.cpp at master · algorithm001/algorithm · GitHub
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Week_03
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id_102
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leetcode_997_102.cpp
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id_102
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leetcode_997_102.cpp
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class
Solution
{
public:
int
findJudge
(
int
N, vector<vector<
int
>>& trust) {
vector<
int
>
degrees
(N+
1
);
for
(
const
auto
& t:trust) {
--degrees[t[
0
]];
++degrees[t[
1
]];
}
for
(
int
i =
1
; i <= N; i++) {
if
(degrees[i] == N -
1
) {
return
i;
}
}
return
-
1
;;
}
};
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