제출 #24685

#제출 시각아이디문제언어결과실행 시간메모리
24685BruteforcemanCalvinball championship (CEOI15_teams)C++11
70 / 100
23 ms9908 KiB
#include "bits/stdc++.h" using namespace std; long long dp[1005][1005]; const int mod = 1000007; int main(int argc, char const *argv[]) { int n; scanf("%d", &n); for(int i = 0; i <= n; i++) { dp[0][i] = 1; } for(int i = 1; i <= n; i++) { for(int j = 1; j <= n; j++) { dp[i][j] = dp[i - 1][j] * j + dp[i - 1][j + 1]; dp[i][j] %= mod; } } int *a; a = new int [n + 5]; for(int i = 1; i <= n; i++) { scanf("%d", &a[i]); } int maxn = 1; int ans = 1; for(int i = 1; i <= n; i++) { for(int j = 1; j < a[i]; j++) { ans += dp[n - i][max(maxn, j)]; ans %= mod; } maxn = max(maxn, a[i]); } printf("%d\n", ans); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

teams.cpp: In function 'int main(int, const char**)':
teams.cpp:9:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
teams.cpp:22:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
                     ^
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