145931

Run ID	作者	问题	语言	测评结果	Time	Memory	代码长度	提交时间
145931	张奕杨	11计算分段函数的值	C++	Compile Error	0 MS	0 KB	263	2026-01-25 19:41:53

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main(){ int x; cin>>x; if(0<=a&&a<5) printf("%.3lf",-1*x+2.5); else if(5<=a&&a<10) printf("%.3lf",2-1.5*(x-3)*2); else if(5<=a&&a<10) printf("%.3lf",double(x)/2.0-1.5); return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:11: error: 'a' was not declared in this scope
     if(0<=a&&a<5) printf("%.3lf",-1*x+2.5);
           ^