제출 #77853

#제출 시각아이디문제언어결과실행 시간메모리
77853dualityCalvinball championship (CEOI15_teams)C++11
0 / 100
373 ms704 KiB
#define DEBUG 0 #include <bits/stdc++.h> using namespace std; #if DEBUG // basic debugging macros int __i__,__j__; #define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl #define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl #define printVar(n) cout<<#n<<": "<<n<<endl #define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl #define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;} #define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;} // advanced debugging class // debug 1,2,'A',"test"; class _Debug { public: template<typename T> _Debug& operator,(T val) { cout << val << endl; return *this; } }; #define debug _Debug(), #else #define printLine(l) #define printLine2(l,c) #define printVar(n) #define printArr(a,l) #define print2dArr(a,r,c) #define print2dArr2(a,r,c,l) #define debug #endif // define #define MAX_VAL 999999999 #define MAX_VAL_2 999999999999999999LL #define EPS 1e-6 #define mp make_pair #define pb push_back // typedef typedef unsigned int UI; typedef long long int LLI; typedef unsigned long long int ULLI; typedef unsigned short int US; typedef pair<int,int> pii; typedef pair<LLI,LLI> plli; typedef vector<int> vi; typedef vector<LLI> vlli; typedef vector<pii> vpii; typedef vector<plli> vplli; // ---------- END OF TEMPLATE ---------- #define MOD 1000007 int arr[10000],m[10000]; int dp[2][10001]; int main() { int i; int n; scanf("%d",&n); for (i = 0; i < n; i++) scanf("%d",&arr[i]); int j,ans = arr[n-1]-1; for (i = 0; i < n; i++) m[i] = max(arr[i],(i == 0) ? 0:m[i-1]); for (i = 0; i <= n; i++) dp[0][i] = 1; for (i = 1; i < n; i++) { int p = i & 1; for (j = 1; j <= n-i; j++) dp[p][j] = ((LLI) dp[!p][j]*j+dp[!p][j+1]) % MOD; for (j = 1; j < arr[n-i-1]; j++) ans += dp[p][max(m[n-i-1],j)],ans %= MOD; } printf("%d\n",ans); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

teams.cpp: In function 'int main()':
teams.cpp:64:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
teams.cpp:65:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (i = 0; i < n; i++) scanf("%d",&arr[i]);
                             ~~~~~^~~~~~~~~~~~~~
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