28 lines
491 B
C++
28 lines
491 B
C++
#include <map>
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#include <vector>
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#include <iostream>
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int main() {
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std::map<std::string, std::vector<int>> mp;
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std::string name;
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int grade;
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while (std::cin >> name >> grade) {
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mp[name].push_back(grade);
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}
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for (auto& x : mp) {
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std::cout << x.first << " ";
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double tmp = 0;
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int n = 0;
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for (auto& i : x.second) {
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tmp += i;
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++n;
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}
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std::cout << tmp / n << std::endl;
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}
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return 0;
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} |