boj 5355 화성 수학

Author: emost22

문자열 처리/5355.cpp

@@ -0,0 +1,42 @@
+#include <iostream>
+#include <string>
+using namespace std;
+
+string str;
+
+void func() {
+	string tmp = "";
+	double x = -1.0;
+	for (auto s : str) {
+		if (s == '@') x *= 3.0;
+		else if (s == '%') x += 5.0;
+		else if (s == '#') x -= 7.0;
+		else if (s == ' ') {
+			if (x < 0) x = stod(tmp);
+		}
+		else tmp += s;
+	}
+
+	cout << fixed; cout.precision(2);
+	cout << x << '\n';
+}
+
+void input() {
+	getline(cin, str);
+}
+
+int main() {
+	cin.tie(NULL); cout.tie(NULL);
+	ios::sync_with_stdio(false);
+
+	string s;
+	int tc;
+	getline(cin, s);
+	tc = stoi(s);
+	while (tc--) {
+		input();
+		func();
+	}
+
+	return 0;
+}