letter occurrence in string c++

Lucky Lemur answered on September 14, 2020 Popularity 7/10 Helpfulness 3/10

answer letter occurrence in string c++

related count occurrences of character in string c++

related How do you count the occurrence of a given character in a string? c++

related find no of occurences of each letter in string c++

letter occurrence in string c++

Comment

#include<bits/stdc++.h>
using namespace std;

 
int main(){
  int cnt=0;
   string s;
   cin>>s;
   int alpha[26]={0},i=0,j;
   while(s[i]!='\0'){
     if(s[i]>='a'&& s[i]<='z'){
       j=s[i]-'a';
       alpha[j]++;
     }
     i++;
   }
  for(int i=0;i<26;i++){
    if(alpha[i]>=1){
      cout<<(char)(i+'a')<<" : "<<alpha[i]<<endl;
    }
  }
  
  return 0;
}

Popularity 7/10 Helpfulness 3/10 Language cpp

Source: Grepper

Tags: c++ letter string

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Contributed on Feb 21 2022

Lucky Lemur

0 Answers Avg Quality 2/10

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count occurrences of character in string c++

Comment

std::string s = "a_b_c";
size_t n = std::count(s.begin(), s.end(), '_'); // n=2

Popularity 10/10 Helpfulness 5/10 Language cpp

Source: stackoverflow.com

Tags: c++

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Contributed on Sep 14 2020

Anxious Alligator

0 Answers Avg Quality 2/10

How do you count the occurrence of a given character in a string? c++

Comment

#include <iostream>
#include <algorithm>

int main(){
  std::string str;
  std::getline(std::cin, str);
  for 
    (char target: 
      {'a','b','c','d','e','f','g','h','i','j','k','l',
      'm','n','o','p','q','r','s','t','u','v','w','x','y','z'})
  {
    size_t num_target = std::count(str.begin(), str.end(), target);
    if
      (num_target>=1)
      std::cout << target <<" : " << num_target << '\n';
  }
  return 0;
}

Popularity 8/10 Helpfulness 2/10 Language cpp

Source: Grepper

Tags: c++ character char

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Contributed on Oct 13 2022

Mysterious Moth

0 Answers Avg Quality 2/10

find no of occurences of each letter in string c++

Comment

void countCharImproved(char *str) {
    std::map<char, int> count;
    int l = strlen(str);
    for(int i=0; i<l; i++) {
        count[str[i]]++;
    }
    for(const auto kvp : count) {
        std::cout << kvp.first << " occurs " << kvp.second << " times\n";
    }
}

Popularity 6/10 Helpfulness 1/10 Language cpp

Source: stackoverflow.com

Tags: c++ each find letter le

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Contributed on Jul 03 2022

Sathwik

0 Answers Avg Quality 2/10

letter occurrence in string c++

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letter occurrence in string c++

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count occurrences of character in string c++

How do you count the occurrence of a given character in a string? c++

find no of occurences of each letter in string c++

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