Develop/C, C++

[C++] ํฌ์ธํ„ฐ๋ฅผ ์‚ฌ์šฉํ•ด์„œ ๋ฐฐ์—ด์˜ ํ•ฉ๊ณ„์™€ ํ‰๊ท ์„ ๊ณ„์‚ฐํ•ด๋ณด์ž!

2023. 10. 10. 23:42
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C++

๐Ÿ“œ ๋ฌธ์ œ

  • ํฌ์ธํ„ฐ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋ฐฐ์—ด์˜ ํ•ฉ๊ณ„์™€ ํ‰๊ท ์„ ๊ณ„์‚ฐํ•˜๋Š” ํ•จ์ˆ˜๋ฅผ ์ž‘์„ฑํ•˜์ž!
  • ํฌ๊ธฐ๊ฐ€ 10์ธ ์ •์ˆ˜ ๋ฐฐ์—ด์„ ์„ ์–ธํ•˜๊ณ  ์‚ฌ์šฉ์ž๋กœ๋ถ€ํ„ฐ ๊ฐ’์„ ์ž…๋ ฅ ๋ฐ›์•„์„œ ๋ฐฐ์—ด์— ์ €์žฅํ•˜์ž!
  • ํ‰๊ท ์„ ์ถœ๋ ฅํ•  ๋•Œ๋Š” ์†Œ์ˆ˜์  2์ž๋ฆฌ ๊นŒ์ง€๋งŒ ์ถœ๋ ฅํ•˜์ž!

 

๐Ÿ“ฅ์ž…๋ ฅ

 

์ •์ˆ˜ 10๊ฐœ๋ฅผ ์ฐจ๋ก€๋กœ ์ž…๋ ฅ๋ฐ›๋Š”๋‹ค.

๐Ÿ“ค์ถœ๋ ฅ

ํ•ฉ๊ณ„์™€ ํ‰๊ท ์„ ์ถœ๋ ฅํ•œ๋‹ค.

 

์ž…๋ ฅ๊ณผ ์ถœ๋ ฅ ๊ฒฐ๊ณผ

 

 

๐Ÿ’กํ’€์ด

ํ•ต์‹ฌ ํฌ์ธํŠธ๋Š” ํฌ์ธํ„ฐ ์—ฐ์‚ฐ์ž *์™€ &์˜ ์‚ฌ์šฉ๋ฒ•์„ ์•Œ๋ฉด ์‰ฝ๊ฒŒ ํ’€ ์ˆ˜ ์žˆ๋Š” ๋ฌธ์ œ์ด๋‹ค.
 
ํฌ์ธํ„ฐ๋ฅผ ์ด์šฉํ•ด์„œ ํ•จ์ˆ˜๋ฅผ ์ „๋‹ฌํ•˜๋ ค๋ฉด ์ธ์ˆ˜๋กœ ์ฃผ์†Œ๊ฐ’์ธ '&๋ณ€์ˆ˜๋ช…'์„ ๋„˜๊ธฐ๋ฉด ๋˜๊ณ , ๋งค๊ฐœ๋ณ€์ˆ˜ 'ํƒ€์ž…๋ช…* ๋ณ€์ˆ˜๋ช…' ๋˜๋Š” 'ํƒ€์ž…๋ช… *๋ณ€์ˆ˜๋ช…'๋กœ ๋ฐ›์œผ๋ฉด ๋œ๋‹ค. ์—ฌ๊ธฐ์„œ ์‹ค์ œ ๊ทธ ๋ณ€์ˆ˜ ์ฃผ์†Œ๊ฐ’์— ์žˆ๋Š” ๊ฐ’์„ ์ฝ์–ด๋‚ด๊ธฐ ์œ„ํ•ด(์—ญ์ฐธ์กฐ) '*๋ณ€์ˆ˜๋ช…'์„ ์‚ฌ์šฉํ•˜๋ฉด ๋œ๋‹ค.
 
์ฐธ๊ณ ๋กœ ๋ฐฐ์—ด์€ ๋ฐฐ์—ด๋ช… ์ž์ฒด๊ฐ€ ๋ฐ”๋กœ ํฌ์ธํ„ฐ์ด๋ฉฐ ํฌ์ธํ„ฐ๋Š” ๋ฐฐ์—ด์ฒ˜๋Ÿผ ์‚ฌ์šฉ์ด ๊ฐ€๋Šฅํ•˜๋‹ค. ๋”ฐ๋ผ์„œ ๋”ฐ๋กœ ๋ฐฐ์—ด์„ ํฌ์ธํ„ฐ๋กœ ๋„˜๊ธธ ๋•Œ ํฌ์ธํ„ฐ ์—ฐ์‚ฐ์ž๋ฅผ ์“ธ ํ•„์š”๊ฐ€ ์—†๋‹ค.
 

์•„๋ž˜๋Š” ๋‚ด๊ฐ€ ์ž‘์„ฑํ•œ ์ •๋‹ต ์ฝ”๋“œ์ด๋‹ค.

#include <stdio.h>

void calSumAndAvg(int* arr, int size, int* sum, double* avg) {
    *sum = 0;
    for (int i = 0; i < size; i++) {
        *sum += arr[i];
    }
    *avg = *sum / size;
}

int main() {
    int arr[10];
    int sum;
    double avg;

    printf("10๊ฐœ์˜ ์ •์ˆ˜๋ฅผ ์ž…๋ ฅํ•˜์‹œ์˜ค.: ");
    for (int i = 0; i < sizeof(arr) / sizeof(int); i++) {
        scanf("%d", &arr[i]);
    }

    calSumAndAvg(arr, sizeof(arr) / sizeof(int), &sum, &avg);

    printf("ํ•ฉ๊ณ„ : %d / ํ‰๊ท  : %0.2f", sum, avg);

    return 0;
}

 

์ €์ž‘์žํ‘œ์‹œ (์ƒˆ์ฐฝ์—ด๋ฆผ)

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