Submission #61146830

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Source Code Expand

#include <iostream>
#include <stdio.h>
#include <string.h>
using namespace std;

char S[500111];
int L;

int main()
{
    scanf("%s", S);
    L = strlen(S);

    int ptr = 0;
    int ans = 0;
    while(ptr < L)
    {
        if (S[ptr] != '0')
        {
            ptr++;
            ans++;
        }
        else if (ptr + 1 < L && S[ptr + 1] == '0')
        {
            ptr += 2;
            ans++;
        }
        else
        {
            ptr++;
            ans++;
        }
    }

    printf("%d\n", ans);

    return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:11:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   11 |     scanf("%s", S);
      |     ~~~~~^~~~~~~~~

Judge Result