# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
22833 | 2017-04-30T07:47:17 Z | AcornCkiGs14004Team(#953, gs14004, cki86201, dotorya) | hi (KRIII5_HI) | C++14 | 3 ms | 2104 KB |
#include <stdio.h> #include <algorithm> #include <assert.h> #include <cmath> #include <complex> #include <deque> #include <functional> #include <iostream> #include <limits.h> #include <map> #include <math.h> #include <queue> #include <set> #include <stdlib.h> #include <string.h> #include <string> #include <time.h> #include <unordered_map> #include <unordered_set> #include <vector> #pragma warning(disable:4996) #pragma comment(linker, "/STACK:336777216") using namespace std; #define mp make_pair #define Fi first #define Se second #define pb(x) push_back(x) #define szz(x) ((int)(x).size()) #define rep(i, n) for(int i=0;i<n;i++) #define all(x) (x).begin(), (x).end() #define ldb ldouble typedef tuple<int, int, int> t3; typedef long long ll; typedef unsigned long long ull; typedef double db; typedef long double ldb; typedef pair <int, int> pii; typedef pair <ll, ll> pll; typedef pair <ll, int> pli; typedef pair <db, db> pdd; int IT_MAX = 1 << 19; const ll MOD = 1000000007; const int INF = 0x3f3f3f3f; const ll LL_INF = 1034567890123456789ll; const db PI = acos(-1); const db ERR = 1E-11; int in[105]; int dp[105][105][2]; int main() { int N, i, j, k; scanf("%d", &N); if (N != 2) return 0; scanf("%d %d", &in[1], &in[2]); for (i = 1; i <= 100; i++) dp[i][0][1] = i; for (i = 1; i <= 100; i++) { for (j = 1; j <= 100; j++) { for (k = 1; k <= i; k++) dp[i][j][1] = (dp[i][j][1] + dp[i - k][j][0] * k) % MOD; for (k = 1; k <= j; k++) dp[i][j][0] = (dp[i][j][0] + dp[i][j - k][1] * k) % MOD; } } int ans = 0; for (i = 0; i <= in[1] - 1; i++) { for (j = 0; i+j <= in[1] - 1; j++) { ans = (ans + dp[in[2]][in[1] - i - j - 1][1] * (i+j+1)) % MOD; } } for (i = 0; i <= in[2] - 1; i++) { for (j = 0; i + j <= in[2] - 1; j++) { ans = (ans + dp[in[1]][in[2] - i - j - 1][1] * (i + j + 1)) % MOD; } } return !printf("%d\n", ans); }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 3 ms | 2104 KB | Output isn't correct |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 0 ms | 2104 KB | Output isn't correct |
2 | Halted | 0 ms | 0 KB | - |