제출 #20587

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
20587		model_code	Laugh Analysis (IOI16_laugh)	C11	100 / 100	0 ms	1212 KiB

laugh

#include "laugh_c.h"

static int max(int a, int b) {
    return a > b ? a : b;
}

int longest_laugh(char* s)
{
    int slen = strlen(s);
    int cur = 0, ans = 0;
    if (s[0] == 'a' || s[0] == 'h')
        cur++;
    for (int i = 1; i < slen; i++)
    {
        if ((s[i - 1] == 'a' && s[i] == 'h') || (s[i - 1] == 'h' && s[i] == 'a'))
            cur++;
        else 
        {
            ans = max(ans, cur);
            cur = 0;
            if (s[i] == 'a' || s[i] == 'h')
                cur++;
        }
    }
    ans = max(ans, cur);
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

laugh.c: In function 'longest_laugh':
laugh.c:9:16: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     int slen = strlen(s);
                ^
laugh.c:9:16: warning: incompatible implicit declaration of built-in function 'strlen'
laugh.c:9:16: note: include '<string.h>' or provide a declaration of 'strlen'
grader.c: In function 'main':
grader.c:9:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", s);
  ^

• Subtask 1: 21 / 21
• Subtask 2: 26 / 26
• Subtask 3: 53 / 53