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41 lines
978 B
41 lines
978 B
2 years ago
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#include <bits/stdc++.h>
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using namespace std;
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int main()
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{
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string str;
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getline(cin, str);
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vector <char> sym;
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vector <int> ans;
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int a;
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for (int i = 0; i < str.size(); i++){
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if (str[i] != ' ') {
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sym.push_back(str[i]);
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}
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}
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for (int i = 0; i < sym.size(); i++) {
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if ('0' <= sym[i] && sym[i] <= '9') {
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ans.push_back(sym[i] - '0');
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}
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if (sym[i] == '+') {
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a = ans[ans.size() - 1];
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ans.pop_back();
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ans[ans.size() - 1] += a;
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}
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if (sym[i] == '-') {
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a = ans[ans.size() - 1];
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ans.pop_back();
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ans[ans.size() - 1] -= a;
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}
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if (sym[i] == '*') {
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a = ans[ans.size() - 1];
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ans.pop_back();
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ans[ans.size() - 1] *= a;
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}
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}
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for (int i = 0; i < ans.size(); i++)
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cout << ans[i] << ' ';
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return 0;
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}
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