2차원벡터

입출력   풀이 #include #include #include #include using namespace std;int main(){ ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int cnt; cin >> cnt; string word; int key; vector> words; for (int i = 0; i > word; key = word.length(); words.push_back(make_pair(key, word)); } sort(words.begin(), words.end()); words.erase(uniq..

입출력    풀이 #include #include #include using namespace std;int main(){ ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int cnt; int x, y; vector> xys; cin >> cnt; for (int i = 0; i > x >> y; xys.push_back({ x, y }); //xys.push_back(make_pair(x, y)); } sort(xys.begin(), xys.end()); for (int i = 0; i   sort()함수는 자동으로 첫번째를 비교하고 같은 값일 경우 두번째를 비교하여 정..