Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
114895 胡海峰老师 13分数求和 C Compile Error 0 MS 0 KB 249 2025-03-24 19:57:42

Tests(0/0):


Code:

#include <stdio.h> int main() { int a,b; a=2;b=1; float s =a/float(b); int n; scanf("%d",&n); for(int i=2;i<=n;i++) { int top; top =a+b; b = a; a = top; s += a/(float)b; } printf("%.4f",s); return 0; }


Run Info:

Main.c: In function 'main':
Main.c:8:13: error: expected expression before 'float'
  float s =a/float(b);
             ^
Main.c:10:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ^