kunshao 题解分享 · 2025/3/10
输出绝对值 - 题解
``` //abs()绝对值函数 #include <bits/stdc++.h> using namespace std; int main() { double n; cin >> n; double m; m = abs(n); cout << fixed << setprecision(2) << m << endl; return 0; } ```
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