一个小错误，排查了半天，不要提早引用，需要引用能简化书写。
/* ID: qq104801 LANG: C++ TASK: lgame */ #include <iostream> #include <fstream> #include <cstring> #include <vector> #include <queue> #include <stack> #include <algorithm> using namespace std; int cmp(const void* a,const void* b) { return *(string*)a > *(string*)b?1:-1; } const int len=40000; FILE* ff; int s[26]={2,5,4,4,1,6,5,5,1,7,6,3,5,2,3,5,7,2,1,2,4,6,6,7,5,7}; int d[26]; string a[len]; void test() { freopen("lgame.in","r",stdin); freopen("lgame.out","w",stdout); ff=fopen("lgame.dict","r"); int l=-1; string str; cin >>str; for(int i=0;i<str.length();i++) d[str[i]-'a']++; string ss; char ch[10]; fscanf(ff,"%s",ch);ss=ch; while(ss!=".") { bool bb=false; for(int i=0;i<ss.length();i++) if(!d[ss[i]-'a']){bb=true;break;} if(!bb)a[++l]=ss; fscanf(ff,"%s",ch);ss=ch; } fclose(ff); qsort(a,l,sizeof(a[l+1]),cmp); int c[len]={0}; for(int i=0;i<=l;i++) { int t=0; for(int j=0;j<a[i].length();j++) t+=s[a[i][j]-'a']; c[i]=t; } int u[26]={0}; string ans[len]; int p=0,kk[len]={0},max=0; for(int i=0;i<=l;i++) for(int j=i;j<=l+1;j++) { memset(u,0,sizeof(u)); int l1; int yy=0; for(l1=0;l1<a[i].length();l1++) { char x=a[i][l1]; u[x-'a']++; yy+=s[x-'a']; } for(l1=0;l1<a[j].length();l1++) { char y=a[j][l1]; u[y-'a']++; yy+=s[y-'a']; } bool bo=false; for(int k=0;k<26;k++) if(u[k]>d[k]){bo=true;break;} if(!bo) { ans[++p]=a[i]; if(a[j].length())ans[p]=a[i]+" "+a[j]; kk[p]=yy;if(yy>max)max=yy; } } cout<<max<<endl; for(int i=1;i<=p;i++) if(kk[i]==max) cout<<ans[i]<<endl; } int main () { test(); return 0; }
test data:
USACO Training Grader Results 14 users online BRA/1 CHN/3 GEO/1 IDN/1 IND/1 MKD/2 USA/5 USER: cn tom [qq104801] TASK: lgame LANG: C++ Compiling... Compile: OK Executing... Test 1: TEST OK [0.038 secs, 3848 KB] Test 2: TEST OK [0.016 secs, 3856 KB] Test 3: TEST OK [0.035 secs, 3856 KB] Test 4: TEST OK [0.046 secs, 3852 KB] Test 5: TEST OK [0.051 secs, 3852 KB] Test 6: TEST OK [0.046 secs, 3852 KB] Test 7: TEST OK [0.043 secs, 3856 KB] Test 8: TEST OK [0.038 secs, 3852 KB] Test 9: TEST OK [0.030 secs, 3852 KB] Test 10: TEST OK [0.046 secs, 3848 KB] Test 11: TEST OK [0.046 secs, 3852 KB] Test 12: TEST OK [0.049 secs, 3856 KB] All tests OK. YOUR PROGRAM ('lgame') WORKED FIRST TIME! That's fantastic -- and a rare thing. Please accept these special automated congratulations. Here are the test data inputs: ------- test 1 ---- jicuzza ------- test 2 ---- cuqak ------- test 3 ---- pofax ------- test 4 ---- rammoxy ------- test 5 ---- culatu ------- test 6 ---- gvutvac ------- test 7 ---- bhruthr ------- test 8 ---- wagje ------- test 9 ---- thryst ------- test 10 ---- fnupfig ------- test 11 ---- bobdead ------- test 12 ---- abcdefg Keep up the good work! Thanks for your submission!