'commit'

TangDou/AoSaiYiBenTong/YBT1040.cpp

@@ -0,0 +1,12 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    //cin读入优化
+    std::ios::sync_with_stdio(false);
+    float n;
+    cin>>n;
+    printf("%.2f",abs(n));
+    return 0;
+}