結果
問題 | No.225 文字列変更(medium) |
ユーザー | LayCurse |
提出日時 | 2015-06-15 17:01:06 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 5 ms / 5,000 ms |
コード長 | 4,686 bytes |
コンパイル時間 | 1,470 ms |
コンパイル使用メモリ | 160,664 KB |
実行使用メモリ | 7,168 KB |
最終ジャッジ日時 | 2024-06-06 17:42:21 |
合計ジャッジ時間 | 2,245 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | AC | 3 ms
5,248 KB |
testcase_01 | AC | 4 ms
6,016 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 5 ms
6,912 KB |
testcase_13 | AC | 5 ms
7,168 KB |
testcase_14 | AC | 5 ms
7,040 KB |
testcase_15 | AC | 5 ms
6,912 KB |
testcase_16 | AC | 5 ms
7,040 KB |
testcase_17 | AC | 5 ms
6,912 KB |
testcase_18 | AC | 5 ms
6,912 KB |
testcase_19 | AC | 5 ms
6,784 KB |
testcase_20 | AC | 5 ms
6,784 KB |
testcase_21 | AC | 5 ms
6,784 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');} char memarr[17000000]; void *mem = memarr; #define MD 1000000007 template<class T> int editDistance(int As, T A[], int Bs, T B[], void *mem){ int i, j, k; int *dp = (int*)mem; rep(i,As+1) dp[i*(Bs+1)] = i; rep(i,Bs+1) dp[i] = i; REP(i,1,As+1) REP(j,1,Bs+1){ k = min(dp[i*(Bs+1)+j-1], dp[(i-1)*(Bs+1)+j]) + 1; if(A[i-1]==B[j-1]) k = min(k, dp[(i-1)*(Bs+1)+(j-1)]); else k = min(k, dp[(i-1)*(Bs+1)+(j-1)]+1); dp[i*(Bs+1)+j] = k; } return dp[As*(Bs+1)+Bs]; } #define SSE2_M128I_ADD32(c,a,b) asm volatile("movdqu %1, %%xmm0;" "movdqu %2, %%xmm1;" "paddd %%xmm1, %%xmm0;" "movdqu %%xmm0, %0;" :"=m"(c) :"m"(a), "m"(b) :); #define SSE4_M128I_MIN32(c,a,b) asm volatile("movdqu %1, %%xmm0;" "movdqu %2, %%xmm1;" "pminsd %%xmm1, %%xmm0;" "movdqu %%xmm0, %0;" :"=m"(c) :"m"(a), "m"(b) :); #define SSE2_M128I_EQ32(c,a,b) asm volatile("movdqu %1, %%xmm0;" "movdqu %2, %%xmm1;" "pcmpeqd %%xmm1, %%xmm0;" "movdqu %%xmm0, %0;" :"=m"(c) :"m"(a), "m"(b) :); #define SSE2_M128I_NEQ32(c,a,b) asm volatile("movdqu %1, %%xmm0;" "movdqu %2, %%xmm1;" "pcmpeqd %%xmm1, %%xmm0;" "pcmpeqd %%xmm1, %%xmm1;" "pxor %%xmm1, %%xmm0;" "movdqu %%xmm0, %0;" :"=m"(c) :"m"(a), "m"(b) :); #define SSE2_M128I_AND(c,a,b) asm volatile("movdqu %1, %%xmm0;" "movdqu %2, %%xmm1;" "pand %%xmm1, %%xmm0;" "movdqu %%xmm0, %0;" :"=m"(c) :"m"(a), "m"(b) :); #define SSE4_M128U_CHAR2INT(c,a) asm volatile("movdqu %1, %%xmm0;" "pmovzxbd %%xmm0, %%xmm1;" "movdqu %%xmm1, %0;" :"=m"(c) :"m"(a) :); int SSE4_editDistance(int As, char A[], int Bs, char B[], void *mem){ int i, j, k; int *dp = (int*)mem; unsigned one[4] = {1,1,1,1}, t1[4], t2[4], aa[4], bb[4]; rep(i,As+1) dp[i*(Bs+1)] = i; rep(i,Bs+1) dp[i] = i; REP(i,1,As+1){ rep(j,4) aa[j] = A[i-1]; for(j=1;j+3<Bs+1;j+=4){ SSE4_M128U_CHAR2INT(bb, B[j-1]); SSE4_M128I_MIN32(t1, dp[i*(Bs+1)+j-1], dp[(i-1)*(Bs+1)+j]); SSE2_M128I_ADD32(t1, t1, one); SSE2_M128I_NEQ32(t2, aa, bb); SSE2_M128I_AND(t2, t2, one); SSE2_M128I_ADD32(t2, t2, dp[(i-1)*(Bs+1)+(j-1)]); SSE4_M128I_MIN32(dp[i*(Bs+1)+j], t1, t2); } REP(j,j,Bs+1){ k = min(dp[i*(Bs+1)+j-1], dp[(i-1)*(Bs+1)+j]) + 1; if(A[i-1]==B[j-1]) k = min(k, dp[(i-1)*(Bs+1)+(j-1)]); else k = min(k, dp[(i-1)*(Bs+1)+(j-1)]+1); dp[i*(Bs+1)+j] = k; } } return dp[As*(Bs+1)+Bs]; } int As, Bs; char A[1200], B[1200]; int main(){ int res; reader(&As,&Bs); reader(A,B); res = editDistance(As, A, Bs, B, mem); writerLn(res); // res = SSE4_editDistance(As, A, Bs, B, mem); // writerLn(res); return 0; }