Submission #64997821

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Source Code Expand

#include <bits/stdc++.h>
#define int long long
#define double long double
#define rg register
using namespace std;
const int N = 4e5 + 10;
int read() {
    int x = 0, f = 1;
    char c = getchar();
    while(c < '0' || c > '9')
        f = (c == '-') ? -1 : 1, c = getchar();
    while(c >= '0' && c <= '9')
        x = x * 10 + c - 48, c = getchar();
    return f * x;
}
signed main() {
    string s;
    cin >> s;
    for(int i = 0; i < s.size(); i++)
        if(s[i] <= 'Z' && s[i] >= 'A')
            cout << s[i];
}

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:19:22: warning: comparison of integer expressions of different signedness: ‘long long int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   19 |     for(int i = 0; i < s.size(); i++)
      |                    ~~^~~~~~~~~~

Judge Result