제출 #250681

#제출 시각아이디문제언어결과실행 시간메모리
250681kingfran1907Baloni (COCI15_baloni)C++14
100 / 100
1076 ms92428 KiB
#include <bits/stdc++.h> using namespace std; const int maxn = 1e6+10; int n; set< int > s[maxn]; int main() { scanf("%d", &n); for (int i = 0; i < n; i++) { int x; scanf("%d", &x); s[x].insert(i); } int sol = 0; for (int i = maxn - 10; i >= 0; i--) { while (!s[i].empty()) { int las = -1; int x = i; while (true) { auto iter = s[x].lower_bound(las); if (iter == s[x].end()) break; las = *iter + 1; s[x].erase(iter); x--; } sol++; } } printf("%d\n", sol); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

baloni.cpp: In function 'int main()':
baloni.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
baloni.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &x);
         ~~~~~^~~~~~~~~~
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