제출 #240929

#제출 시각아이디문제언어결과실행 시간메모리
240929SamAndHindeks (COCI17_hindeks)C++17
50 / 50
101 ms5876 KiB
#include <bits/stdc++.h> using namespace std; #define m_p make_pair #define all(x) (x).begin(),(x).end() #define sz(x) ((int)(x).size()) #define fi first #define se second typedef long long ll; mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count()); mt19937 rnf(2106); const int N = 1000006; int a[N]; void solv() { int qq; scanf("%d", &qq); while (qq--) { int x; scanf("%d", &x); ++a[x]; } int q = 0; for (int i = N - 1; i >= 0; --i) { q += a[i]; if (q >= i) { printf("%d\n", i); return; } } } int main() { #ifdef SOMETHING freopen("input.txt", "r", stdin); //freopen("output.txt", "w", stdout); #endif // SOMETHING //ios_base::sync_with_stdio(false), cin.tie(0); solv(); return 0; } //while ((double)clock() / CLOCKS_PER_SEC <= 0.9){}

컴파일 시 표준 에러 (stderr) 메시지

hindeks.cpp: In function 'void solv()':
hindeks.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &qq);
     ~~~~~^~~~~~~~~~~
hindeks.cpp:22:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &x);
         ~~~~~^~~~~~~~~~
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