Submission #68322635

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
#define vec vector
#define fir first
#define sec second
#define pb push_back
typedef long long ll;
typedef pair<int, int> pii;
typedef unsigned long long ull;
const int mod = 998244353;
const int N = 100005;
const int inf = 0x3f3f3f3f3f3f3f3f;
int a[105];
void Thirstarfish()
{
    string s;
    cin >> s;
    s = ' ' + s;
    for (int i = 1; i < s.size(); i++)
        a[i] = a[i - 1] + (s[i] == 't' ? 1 : 0);
    double ans=0;
    for(int i=0;i<s.size();i++)
        for(int j=i+3;j<s.size();j++)
            ans=max(ans,1.0*(a[j]-a[i]-2)/(j-i-2));
    cout << fixed << setprecision(10) << ans << endl; // 修改输出精度
}

signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int _ = 1;
    // cin >> _; // 如果是单测记得注释掉这一行
    while (_--)
        Thirstarfish();
    return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘void Thirstarfish()’:
Main.cpp:21:23: warning: comparison of integer expressions of different signedness: ‘long long int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   21 |     for (int i = 1; i < s.size(); i++)
      |                     ~~^~~~~~~~~~
Main.cpp:24:18: warning: comparison of integer expressions of different signedness: ‘long long int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   24 |     for(int i=0;i<s.size();i++)
      |                 ~^~~~~~~~~
Main.cpp:25:24: warning: comparison of integer expressions of different signedness: ‘long long int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   25 |         for(int j=i+3;j<s.size();j++)
      |                       ~^~~~~~~~~

Judge Result