提出 #36223495

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ソースコード 拡げる

#include <iostream>
#include <iomanip>
#include <limits>
#include <vector>
#include <set>
#include <unordered_set>
#include <map>
#include <unordered_map>
#include <cstdio>
#include <bitset>
#include <queue>
#include <deque>
#include <algorithm>
#include <numeric>
#include <functional>
#include <stack>
#include <cmath>
#include <string>
#include <cstring>
#include <complex>
#include <cassert>
#include <cstdlib>
using namespace std;

typedef long long ll;

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

const int INF = (1<<30)-1;
const int MOD = 1e9+7;
const ll LINF = (1ll<<62)-1;

#define REP(i,n) for(int i=0;i<(n);++i)
#define COUT(x) cout<<(x)<<"\n"
#define COUT16(x) cout << fixed << setprecision(16) << (x) << "\n"

int main(){
    string s;cin >> s;
    int ans = -1;
    for(int i=0;i<s.size();i++){
        if(s[i]=='a')ans = i+1;
    }
    COUT(ans);
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘int main()’:
./Main.cpp:41:18: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   41 |     for(int i=0;i<s.size();i++){
      |                 ~^~~~~~~~~

ジャッジ結果