提出 #61152130

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ソースコード 拡げる

#include <bits/stdc++.h>

#define loop(i, l, r) for(int i = (l); i < (r); ++i)
#define pool(i, l, r) for(int i = (l); i > (r); --i)
#define debug(x) cerr << #x << ": " << x << endl;
using namespace std;
string s;
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cin>>s;
    int cnt = 0;
    int ans = 0;
    loop(i,0,s.length()){
        if(s[i]=='0'){
            cnt++;
        }else{
            ans++;
            ans+=(cnt+1)/2;
            cnt=0;
        }
    }
    ans+=(cnt+1)/2;
    cout<<ans<<endl;
    return 0;
}

提出情報

コンパイルエラー

Main.cpp: In function ‘int main()’:
Main.cpp:3:42: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
    3 | #define loop(i, l, r) for(int i = (l); i < (r); ++i)
      |                                          ^
Main.cpp:15:5: note: in expansion of macro ‘loop’
   15 |     loop(i,0,s.length()){
      |     ^~~~

ジャッジ結果