제출 #1090340

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1090340		KasymK	Awesome Arrowland Adventure (eJOI19_adventure)	C++17	22 / 100	1 ms	432 KiB

adventure

#include "bits/stdc++.h"
using namespace std;
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
#define ll long long
#define pb push_back
#define pii pair<int, int>
#define pli pair<ll, int>
#define pll pair<ll, ll>
#define tr(i, c) for(auto i = c.begin(); i != c.end(); ++i)
#define wr puts("----------------")
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}

int main(){
    int n, m;
    scanf("%d%d", &m, &n);
    string s;
    cin >> s;
    int ok = 1;
    for(int i = 0; i < n-1 and ok; ++i)
        ok &= (s[i] != 'X');
    if(!ok or s.back() != 'X'){
       puts("-1");
        return 0;
    }
    int answer = 0;
    for(int i = 0; i < n-1; ++i){
        if(s[i] == 'N')
            answer++;
        else if(s[i] == 'W')
            answer += 2;
        else if(s[i] == 'S')
            answer += 3;
    }
    printf("%d\n", answer);
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

adventure.cpp: In function 'int main()':
adventure.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |     scanf("%d%d", &m, &n);
      |     ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 12 / 12
• Subtask 3: 0 / 12
• Subtask 4: 0 / 16
• Subtask 5: 0 / 50