結果
問題 | No.140 みんなで旅行 |
ユーザー | LayCurse |
提出日時 | 2015-01-29 23:58:23 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 443 ms / 5,000 ms |
コード長 | 2,888 bytes |
コンパイル時間 | 1,853 ms |
コンパイル使用メモリ | 161,140 KB |
実行使用メモリ | 15,500 KB |
最終ジャッジ日時 | 2024-06-23 04:18:39 |
合計ジャッジ時間 | 4,523 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 4 ms
13,548 KB |
testcase_01 | AC | 5 ms
14,112 KB |
testcase_02 | AC | 9 ms
14,160 KB |
testcase_03 | AC | 6 ms
14,008 KB |
testcase_04 | AC | 6 ms
15,112 KB |
testcase_05 | AC | 5 ms
14,424 KB |
testcase_06 | AC | 5 ms
14,368 KB |
testcase_07 | AC | 5 ms
13,868 KB |
testcase_08 | AC | 5 ms
13,588 KB |
testcase_09 | AC | 5 ms
14,272 KB |
testcase_10 | AC | 5 ms
14,588 KB |
testcase_11 | AC | 437 ms
14,316 KB |
testcase_12 | AC | 8 ms
14,428 KB |
testcase_13 | AC | 6 ms
13,520 KB |
testcase_14 | AC | 443 ms
15,040 KB |
testcase_15 | AC | 433 ms
14,292 KB |
testcase_16 | AC | 117 ms
14,496 KB |
testcase_17 | AC | 38 ms
14,672 KB |
testcase_18 | AC | 305 ms
15,500 KB |
testcase_19 | AC | 350 ms
14,208 KB |
testcase_20 | AC | 25 ms
14,844 KB |
testcase_21 | AC | 6 ms
13,524 KB |
コンパイルメッセージ
main.cpp: In function ‘void reader(double*)’: main.cpp:15:29: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 15 | void reader(double *x){scanf("%lf",x);} | ~~~~~^~~~~~~~~
ソースコード
#include<bits/stdc++.h> using namespace std; #define REP(i,a,b) for(i=a;i<b;i++) #define rep(i,n) REP(i,0,n) #define mygc(c) (c)=getchar_unlocked() #define mypc(c) putchar_unlocked(c) #define ll long long #define ull unsigned ll void reader(int *x){int k,m=0;*x=0;for(;;){mygc(k);if(k=='-'){m=1;break;}if('0'<=k&&k<='9'){*x=k-'0';break;}}for(;;){mygc(k);if(k<'0'||k>'9')break;*x=(*x)*10+k-'0';}if(m)(*x)=-(*x);} void reader(ll *x){int k,m=0;*x=0;for(;;){mygc(k);if(k=='-'){m=1;break;}if('0'<=k&&k<='9'){*x=k-'0';break;}}for(;;){mygc(k);if(k<'0'||k>'9')break;*x=(*x)*10+k-'0';}if(m)(*x)=-(*x);} void reader(double *x){scanf("%lf",x);} int reader(char c[]){int i,s=0;for(;;){mygc(i);if(i!=' '&&i!='\n'&&i!='\r'&&i!='\t'&&i!=EOF) break;}c[s++]=i;for(;;){mygc(i);if(i==' '||i=='\n'||i=='\r'||i=='\t'||i==EOF) break;c[s++]=i;}c[s]='\0';return s;} template <class T, class S> void reader(T *x, S *y){reader(x);reader(y);} template <class T, class S, class U> void reader(T *x, S *y, U *z){reader(x);reader(y);reader(z);} template <class T, class S, class U, class V> void reader(T *x, S *y, U *z, V *w){reader(x);reader(y);reader(z);reader(w);} void writer(int x, char c){int s=0,m=0;char f[10];if(x<0)m=1,x=-x;while(x)f[s++]=x%10,x/=10;if(!s)f[s++]=0;if(m)mypc('-');while(s--)mypc(f[s]+'0');mypc(c);} void writer(ll x, char c){int s=0,m=0;char f[20];if(x<0)m=1,x=-x;while(x)f[s++]=x%10,x/=10;if(!s)f[s++]=0;if(m)mypc('-');while(s--)mypc(f[s]+'0');mypc(c);} void writer(double x, char c){printf("%.15f",x);mypc(c);} void writer(const char c[]){int i;for(i=0;c[i]!='\0';i++)mypc(c[i]);} void writer(const char x[], char c){int i;for(i=0;x[i]!='\0';i++)mypc(x[i]);mypc(c);} template<class T> void writerLn(T x){writer(x,'\n');} template<class T, class S> void writerLn(T x, S y){writer(x,' ');writer(y,'\n');} template<class T, class S, class U> void writerLn(T x, S y, U z){writer(x,' ');writer(y,' ');writer(z,'\n');} template<class T> void writerArr(T x[], int n){int i;if(!n){mypc('\n');return;}rep(i,n-1)writer(x[i],' ');writer(x[n-1],'\n');} ull pw(ull a, ull b, ull m){ull r=1;while(b){if(b&1)r=r*a%m;b>>=1;a=a*a%m;}return r;} char memarr[77000000]; void *mem = memarr; #define MD 1000000007 int N; ll dp[567][567], nx[567][567]; int C[1200][1200]; int main(){ int i, j, k; ll res, tmp; rep(i,1200) C[0][i] = 0; rep(i,1200) C[i][0] = 1; REP(i,1,1200) REP(j,1,1200) C[i][j] = (C[i-1][j-1] + C[i-1][j]) % MD; reader(&N); dp[0][0] = 1; rep(k,N){ rep(i,N+1) rep(j,N+1) nx[i][j] = 0; rep(i,N+1) rep(j,N+1) if(dp[i][j]){ (nx[i][j+1] += dp[i][j]) %= MD; (nx[i+1][j] += dp[i][j]) %= MD; (nx[i][j] += dp[i][j] * i) %= MD; } rep(i,N+1) rep(j,N+1) dp[i][j] = nx[i][j]; } res = 0; rep(i,N+1) rep(j,N+1) if(dp[i][j]){ tmp = dp[i][j] * pw(2*i*(i-1)/2, j, MD) % MD; res += tmp; } res %= MD; writerLn(res); return 0; }