Submission #844493

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Source Code Expand

#include <bits/stdc++.h>
#define sz(x) (int((x).size()))
#define pb push_back
#define eb emplace_back
#define all(x) (x).begin(), (x).end()
template<typename T> bool domax(T &a, T b) { return (b > a ? (a = b, true) : false); }
template<typename T> bool domin(T &a, T b) { return (b < a ? (a = b, true) : false); }
typedef long long ll;

int n;
char s[1005];
bool k[256];

int main() {
    scanf("%s", s);
    n = strlen(s);
    for (int i = 0; i < n; i++) {
        k[s[i]] = true;
    }
    printf("%s\n", ((k['N']==k['S']) && (k['E'] == k['W'])) ? "YES" : "NO");
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:15:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s", s);
                   ^

Judge Result