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改了又改,还是超时,AC的人帮忙看看,哪时出问题了,总超时?#include <algorithm> #include <stdio.h> #include <string.h> using namespace std; int mapping(char c) { if(c=='A'||c=='B'||c=='C'||c=='a'||c=='b'||c=='c') return 2; if(c=='D'||c=='E'||c=='F'||c=='d'||c=='e'||c=='f') return 3; if(c=='G'||c=='H'||c=='I'||c=='g'||c=='h'||c=='i') return 4; if(c=='J'||c=='K'||c=='L'||c=='j'||c=='k'||c=='l') return 5; if(c=='M'||c=='N'||c=='O'||c=='m'||c=='n'||c=='o') return 6; if(c=='P'||c=='R'||c=='S'||c=='p'||c=='r'||c=='s') return 7; if(c=='T'||c=='U'||c=='V'||c=='t'||c=='u'||c=='v') return 8; if(c=='W'||c=='X'||c=='Y'||c=='w'||c=='x'||c=='y') return 9; return c-'0'; } int main() { int m,n,p,s,t; int i=0,j,k,fla=0; int temp[100000],tem,b[100000]; char a[50],res[100000]; scanf("%d",&m); while(i<m) { scanf("%s",a); n = strlen(a); s=0; for(j=0;j<n;j++) { if(a[j] == '-') continue; t=mapping(a[j]); s=s*10+t; } b[i]=s; i++; } if(m>=0) sort(b,b+m); k=0; temp[k]=0; for(i=0;i<m;) { res[i]=1; for(j=i+1;j<m;j++) { if(b[i] != b[j]) { k++; temp[k]=j; break; } res[i]++; fla=1; } p=res[i]; i=i+p; } k++; if(fla) for(i=0;i<k;i++) { j=temp[i]; if(res[j]>1) { p=b[j]/10000; printf("%.3d-",p); p=b[j]%10000; printf("%.4d",p); printf(" %d\n",res[j]); } } else printf("No duplicates.\n"); return 0; } Followed by:
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