Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
151655 Kevin 字母概率 C++ Wrong Answer 1 MS 276 KB 393 2026-04-17 10:23:55

Tests(0/1):

Code:

#include<bits/stdc++.h> using namespace std; int main(){ string a; char b; for(int i=1;i<=3;i++){ cin>>b>>a; int len=a.size(); if(b>='A'&&b<='Z') b=b+32; for(int j=0;j<len;j++){ if(a[j]>='A'&&a[j]<='Z'){ a[j]=a[j]+32; } } int s=0; for(int j=0;j<len;j++){ if(a[j]==b){ s++; } } printf("%.5lf\n",double(s)/len); } return 0; }

Run Info:

------Input------

Q ibLtsCwPnywpaivPoAeUsanmygOVDrpWGumIejVXnrIZUELRZTUzraAvLSuFlrQocHqhpqxSVQdsgloVARjpvcAdfUqtvYCObokOfWRcjBgfHuwJLBzZHhHSdAlgBkvkovtfuEnoobQqa
A cBisPknAbfIHxpsawlQzgdanesWUqcSgTgxgWnuYowMCeXhTtNmzcSTfGPhTAQmcuMoPvBOReIregGapLGPKTRwRtZHezzWGDuYwaoyTLIKLacWEVslEGLkHcQmbrNzpXaIkYGTCeMkbflnnfwjzajMGlcXToiMmMYZfUtBMDNLRMPYpHaDlqYqBfYOVffHDQ
J uxfRnztlAtWzbXaudyDACrJVPZvYnZjcqgbZikYkfOgBFGuZTDCNdUjdVVLiGYcVlpoquSBrbNjQaMhSyVDnFeTbFndVcWeZNyCXvlCqgeVcjAHnEdRQG
D lsEByvYQmuzSNLDzjGkVRXjJPfZlbNnnKdppox
------Answer-----

0.04965
0.05181
0.04274
0.05172
0.12821
0.02804
0.02128
0.00000
0.00000
0.06250
0.03049
0.01136
0.07547
0.02614
0.04545
0.06349
0.01266
0.05172
0.04118
0.07547
0.02817
0.04730
0.05263
0.00000
0.04891
0.04545
0.03030
0.02247
0.04969
0.05051
0.05051
0.06780
0.05085
0.02381
0.02878
0.06349
0.07216
0.01613
0.02222
0.06250
0.05000
0.03145
0.05229
0.04569
0.04938
0.02424
0.00000
0.00000
0.00000
0.03448
0.03175
0.03306
0.04587
0.00000
0.07576
0.04000
0.04839
0.06250
0.02941
0.06098
0.04386
0.01974
0.04
------Your output-----

0.04965
0.05181
0.04274