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救命啊!!!WA了12次的题目,请问问题出哪里了?请问一下有什么特别麻烦的测试数据,我测试过下面的数据没问题,但依然WA 10 100 5 123456789 987654321 4 1 999……99(100个) 479 0 1 1 0 3 3 1 2 2 1 3 3 5 8 2 8 13 2 8 12 1 13 21 2 14 20 0 0 0 帮个忙啊~~~ #include <stdio.h> #include <string.h> #define N 150 int len=1,str[N]={0},d=2; struct { int m[N] ; }fib[490]={0}; int main() { int sum(int c[],int a[],int b[],int lenstr); int check(int a[],int b[],int lena,int lenb); int search_right(int m[],int len); int search_left(int m[],int len); char n[N]={0}; int left[N]={0},right[N]={0}; int i,j=0,lenl,lenr,pleft,pright; fib[0].m[0]=1;fib[0].m[149]=0;str[0]=0; fib[1].m[0]=1;fib[1].m[149]=1;str[1]=1; for(i=2;i<=480;i++) {sum(fib[i].m,fib[i-1].m,fib[i-2].m,len);d++;} //结构体相加求FIBS while(1) { scanf("%s",&n); lenl=strlen(n); for(i=0;i<lenl;i++) left[i]=n[lenl-i-1]-48; scanf("%s",&n); lenr=strlen(n); if(n[0]=='0') break; for(i=0;i<lenr;i++) right[i]=n[lenr-i-1]-48; pleft=search_left(left,lenl); pright=search_right(right,lenr); printf("%d\n",pright-pleft); } return 0; } int sum(int c[],int a[],int b[],int lenstr) //高精度加法 { int i; for(i=0;i<=lenstr;i++) { if((a[i]+b[i]+c[i])<10) c[i]=a[i]+b[i]+c[i]; else {c[i]=a[i]+b[i]+c[i]-10;c[i+1]++;} } if(c[lenstr]==1) {len=lenstr+1;str[len]=d;} //STR[]保存进位时N,方便字典搜索 c[149]=len; //C[149]保存数据长度 return 0; } int check(int a[],int b[],int lena,int lenb) //检查两数大小 { int i; if(lena>lenb) return 0; else if(lena<lenb) return 1; else { for(i=lena-1;i>=0;i--) { if(a[i]>b[i]) return 0;//big else if(a[i]<b[i]) return 1;//small } } return 2;//equal } int search_left(int a[],int len) { //搜索小于左边界 int i; for(i=str[len]-1;i<=str[len+1];i++) { if(check(a,fib[i].m,len,fib[i].m[149])==1) return i-1; if(check(a,fib[i].m,len,fib[i].m[149])==2) return i-1; } } int search_right(int a[],int len) //搜索小于等于有右边界 { int i; for(i=str[len]-1;i<=str[len+1];i++) { if(check(a,fib[i].m,len,fib[i].m[149])==1) return i-1; if(check(a,fib[i].m,len,fib[i].m[149])==2) return i; } } Followed by:
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