#68471 (C++11) No.332 数列をプレゼントに

提出ソース

結果

問題	No.332 数列をプレゼントに
ユーザー	LayCurse
提出日時	2015-12-25 00:37:55
言語	C++11 (gcc 11.4.0)
結果	WA
実行時間	-
コード長	3,889 bytes
コンパイル時間	1,461 ms
コンパイル使用メモリ	161,264 KB
実行使用メモリ	158,484 KB
最終ジャッジ日時	2024-09-18 23:12:40
合計ジャッジ時間	14,363 ms
ジャッジサーバーID （参考情報）	judge5 / judge2

このコードへのチャレンジ
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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	WA	-
testcase_01	AC	10 ms 7,552 KB
testcase_02	WA	-
testcase_03	AC	16 ms 35,740 KB
testcase_04	WA	-
testcase_05	WA	-
testcase_06	WA	-
testcase_07	AC	214 ms 122,376 KB
testcase_08	WA	-
testcase_09	AC	40 ms 47,240 KB
testcase_10	AC	66 ms 32,384 KB
testcase_11	WA	-
testcase_12	WA	-
testcase_13	WA	-
testcase_14	WA	-
testcase_15	WA	-
testcase_16	WA	-
testcase_17	WA	-
testcase_18	WA	-
testcase_19	WA	-
testcase_20	WA	-
testcase_21	WA	-
testcase_22	WA	-
testcase_23	WA	-
testcase_24	AC	224 ms 124,556 KB
testcase_25	AC	223 ms 123,400 KB
testcase_26	WA	-
testcase_27	WA	-
testcase_28	AC	215 ms 127,928 KB
testcase_29	AC	215 ms 108,288 KB
testcase_30	WA	-
testcase_31	AC	221 ms 123,996 KB
testcase_32	AC	216 ms 123,784 KB
testcase_33	AC	216 ms 108,544 KB
testcase_34	AC	217 ms 108,544 KB
testcase_35	AC	217 ms 108,544 KB
testcase_36	WA	-
testcase_37	WA	-
testcase_38	AC	223 ms 126,172 KB
testcase_39	WA	-
testcase_40	AC	218 ms 131,000 KB
testcase_41	AC	225 ms 112,640 KB
testcase_42	AC	222 ms 112,768 KB
testcase_43	AC	225 ms 112,768 KB
testcase_44	WA	-
testcase_45	AC	215 ms 122,180 KB
testcase_46	AC	103 ms 75,296 KB

権限があれば一括ダウンロードができます

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);}
      |                        ~~~~~^~~~~~~~~
main.cpp: In function ‘int solve(int, int*)’:
main.cpp:60:39: warning: iteration 10 invokes undefined behavior [-Waggressive-loop-optimizations]
   60 |     rep(k,50) j[k] = ((j[k]-A[i])%md[k]+md[k])%md[k];
      |                                   ~~~~^
main.cpp:4:29: note: within this loop
    4 | #define REP(i,a,b) for(i=a;i<b;i++)
      |                             ^
main.cpp:5:18: note: in expansion of macro ‘REP’
    5 | #define rep(i,n) REP(i,0,n)
      |                  ^~~
main.cpp:60:5: note: in expansion of macro ‘rep’
   60 |     rep(k,50) j[k] = ((j[k]-A[i])%md[k]+md[k])%md[k];
      |     ^~~
main.cpp:62:38: warning: iteration 10 invokes undefined behavior [-Waggressive-loop-optimizations]
   62 |     rep(k,50) j[k] = (j[k]+A[i])%md[k];
      |                                  ~~~~^
main.cpp:4:29: note: within this loop
    4 | #define REP(i,a,b) for(i=a;i<b;i++)
      |                             ^
main.cpp:5:18: note: in expansion of macro ‘REP’
    5 | #define rep(i,n) REP(i,0,n)
      |                  ^~~
main.cpp:62:5: note: in expansion of macro ‘rep’
   62 |     rep(k,50) j[k] = (j[k]+A[i])%md[k];
      |     ^~~
main.cpp: In function ‘int main()’:
main.cpp:80:14: warning: iteration 10 invokes undefined behavior [-Waggressive-loop-optimizations]
   80 |     md[loop] = p[(ps/2)+rand()%(ps/2)];
      |     ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
main.cpp:4:29: note: within this loop
    4 | #define REP(i,a,b) for(i=a;i<b;i++)
      |                             ^
main.cpp:5:18: note: in expansion of macro ‘REP’
    5 | #define rep(i,n) REP(i,0,n)
      |                  ^~~
main.cpp:79:3: note: in expansion of macro ‘rep’

ソースコード

raw source code

#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');}

char memarr[17000000]; void *mem = memarr;
#define MD 1000000007

int getPrime(int N, int res[]){int i,a,b,s=1,f[4780],S=1;const int r=23000;bool B[r],*p=B;N/=2;res[0]=2;b=min(r,N);REP(i,1,b)p[i]=1;REP(i,1,b)if(p[i]){res[s++]=2*i+1;f[S]=2*i*(i+1);if(f[S]<N){for(;f[S]<r;f[S]+=res[S])p[f[S]]=0;S++;}}for(a=r;a<N;a+=r){b=min(a+r,N);p-=r;REP(i,a,b)p[i]=1;REP(i,1,S)for(;f[i]<b;f[i]+=res[i])p[f[i]]=0;REP(i,a,b)if(p[i])res[s++]=2*i+1;}return s;}

int N, A[120];
ll X;
int ps, p[100000], md[10];

int dp[50][120][10000];
int res[120];

int solve(int i, int j[]){
  int k, ok;
  ll chk;

  if(i==-1){
    chk = 0;
    rep(k,N) if(res[k]) chk += A[k];
    if(chk==X) return 1;
    return 0;
  }

  if(solve(i-1, j)) return 1;

  ok = 1;
  rep(k,50) if(j[k]==A[i]%md[k] || dp[k][i][((j[k]-A[i])%md[k]+md[k])%md[k]]); else {ok = 0; break;}
  if(ok){
    res[i] = 1;
    rep(k,50) j[k] = ((j[k]-A[i])%md[k]+md[k])%md[k];
    if(solve(i-1, j)) return 1;
    rep(k,50) j[k] = (j[k]+A[i])%md[k];
    res[i] = 0;
  }

  return 0;
}

int main(){
  int i, j, k, tar[10], loop;
  ll chk;

  reader(&N,&X);
  rep(i,N) reader(A+i);

  ps = getPrime(6000, p);
  srand(time(NULL));

  rep(loop,50){
    md[loop] = p[(ps/2)+rand()%(ps/2)];

    tar[loop] = X % md[loop];
    rep(i,N+1) rep(j,md[loop]) dp[loop][i][j] = 0;
    rep(i,N){
      dp[loop][i+1][A[i]%md[loop]] = 1;
      rep(j,md[loop]) dp[loop][i+1][(j+A[i])%md[loop]] |= dp[loop][i][j];
      rep(j,md[loop]) dp[loop][i+1][j] |= dp[loop][i][j];
    }

//    writerLn(tar);
//    rep(i,N+1) rep(j,md) if(dp[i][j]) printf("%d %d %d\n",i,j,dp[i][j]);
//    puts("");

  }

  rep(k,50) if(dp[k][N][tar[k]]==0) break;
  if(k==50){
    rep(i,N) res[i] = 0;
    k = solve(N-1, tar);
    if(k){
      rep(i,N) mypc(res[i]?'o':'x');
      mypc('\n');
      return 0;
    }
  }

  writerLn("No");

  return 0;
}

yukicoder

結果

テストケース

コンパイルメッセージ

ソースコード