Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
136150 张唯一 字母概率 C++ Compile Error 0 MS 0 KB 312 2025-11-09 16:58:42

Tests(0/0):

Code:

#include<iostream> #include<cstring> using namespace std; int main() { char a; double s; double n; n = 0; char b[201]; cin >> a; gets (b); strlwr (b); for(int i = 0;i < strlen(b);i++) { if(a == b[i]) { n++; } } s = n / (strlen(b) - 1); printf("%.5lf",s); return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:12:2: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
  gets (b);
  ^
In file included from /usr/include/c++/5/cstdio:42:0,
                 from /usr/include/c++/5/ext/string_conversions.h:43,
                 from /usr/include/c++/5/bits/basic_string.h:5249,
                 from /usr/include/c++/5/string:52,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
                 from /usr/include/c++/5/bits/ios_base.h:41,
                 from /usr/include/c++/5/ios:42,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/stdio.h:638:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^
Main.cc:12:2: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
  gets (b);
  ^
In file included from /usr/include/c++/5/cstdio:42:0,
                 from /usr/include/c++/5/ext/string_conversions.h:43,
                 from /usr/include/c++/5/bits/basic_string.h:5249,
                 from /usr/include/c++/5/string:52,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
                 from /usr/include/c++/5/bits/ios_base.h:41,
                 from /usr/include/c++/5/ios:42,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/stdio.h:638:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^
Main.cc:12:9: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
  gets (b);
         ^
In file included from /usr/include/c++/5/cstdio:42:0,
                 from /usr/include/c++/5/ext/string_conversions.h:43,
                 from /usr/include/c++/5/bits/basic_string.h:5249,
                 from /usr/include/c++/5/string:52,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
                 from /usr/include/c++/5/bits/ios_base.h:41,
                 from /usr/include/c++/5/ios:42,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/stdio.h:638:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^
Main.cc:13:11: error: 'strlwr' was not declared in this scope
  strlwr (b);
           ^
Main.cc:14:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0;i < strlen(b);i++)
                  ^
Main.cc:12:10: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result [-Wunused-result]
  gets (b);
          ^