21 lines
598 B
C++
21 lines
598 B
C++
//Ó÷¨ºÍunordered_map - multimapÒ»ÖÂ
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#include <unordered_map>
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#include <iostream>
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using namespace std;
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int main(){
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unordered_multimap<int, int> m;
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m.insert({make_pair(1,111), make_pair(2,222), make_pair(3,333), make_pair(8,888), make_pair(6,666), make_pair(5,555)});
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m.insert({make_pair(1,11), make_pair(2,22), make_pair(1,1)});
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cout << m.count(1) << " " << m.find(1)->first << "," << m.find(1)->second << endl;
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m.erase(m.find(1));
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cout << m.count(1) << " " << m.find(1)->first << "," << m.find(1)->second << endl;
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m.erase(1);
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cout << m.count(1) << endl;
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return 0;
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}
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/*
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3 1,1
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2 1,11
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0
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*/
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