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为什么我的程序老是wa???请牛人们帮我看一下,和网上的一个程序几乎一模一样,为什么他的ac我的wa??!!#include <iostream> #include <string.h> #include <algorithm> using namespace std; char en[30]; struct dic { char s1[11]; char s2[11]; }str[100001]; bool cmp(struct dic a,struct dic b) { return (strcmp(a.s2,b.s2)<0); } int bsearch(char *p,int head,int end) { int mid=0; while(head<=end) { mid=(head+end)/2; if(strcmp(p,str[mid].s2)<0) end=mid-1; else { if(strcmp(p,str[mid].s2)>0) head=mid+1; else return mid; } } return -1; } int main() { int i=0,j=0; char a[11]; while(gets(en)&&en[0]!='\0') { sscanf(en,"%s %s",str[i].s1,str[i].s2); i++; } sort(str,str+i,cmp); while(scanf("%s",a)!=EOF) { int n; n=bsearch(a,0,i-1); if(n==-1) printf("en\n"); else printf("%s\n",str[n].s1); } return 0; } Followed by:
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