제출 #282995

#제출 시각아이디문제언어결과실행 시간메모리
282995AKaan37Palindrome-Free Numbers (BOI13_numbers)C++17
31.67 / 100
2 ms640 KiB
//Bismillahirrahmanirrahim //█▀█─█──█──█▀█─█─█ //█▄█─█──█──█▄█─█▄█ //█─█─█▄─█▄─█─█─█─█ #include <bits/stdc++.h> using namespace std; typedef long long lo; typedef pair< lo,lo > PII; #define fi first #define se second #define mp make_pair #define endl "\n" #define pb push_back #define int long long #define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL) #define FOR for(int i=1;i<=n;i++) #define mid ((start+end)/2) #define ort ((bas+son)/2) const lo inf = 2000000000000000000; const lo KOK = 100000; const lo LOG = 30; const lo li = 500005; const lo mod = 1000000007; int n,m,b[li],a[li],k,flag,t,dp[30][6][15][15],aman; int cev; string s; vector<int> v,vv; inline int add(int x,int y){ if(x+y>=inf){aman=1;return x+y-inf;} return x+y; } inline int f(int sira,int al,int last2,int last1){ int cevv=0; if(sira==(int)v.size())return 1; if(~dp[sira][al][last2][last1])return dp[sira][al][last2][last1]; for(int i=0;i<=9;i++){ if(al==0 && i>v[sira])break; if(i==last2 || i==last1)continue; if(last1==10 && last2==10 && i==0){ int yes=0; if(i<vv[sira])yes=1; cevv=add(cevv,f(sira+1,max(yes,al),10,10)); } else{ int yes=0; if(i<vv[sira])yes=1; cevv=add(cevv,f(sira+1,max(yes,al),last1,i)); } } return dp[sira][al][last2][last1]=cevv; } inline int f1(int sira,int al,int last2,int last1){ int cevv=0; //~ cout<<sira<<" : : "<<al<<" : : "<<last2<<" : : "<<last1<<endl; if(sira==(int)vv.size())return 1; if(~dp[sira][al][last2][last1])return dp[sira][al][last2][last1]; for(int i=0;i<=9;i++){ if(al==0 && i>vv[sira])continue; if(i==last2 || i==last1)continue; //~ if(sira==0 && i==0)continue; if(last1==10 && last2==10 && i==0){ int yes=0; if(i<vv[sira])yes=1; cevv=add(cevv,f1(sira+1,max(yes,al),10,10)); } else{ int yes=0; if(i<vv[sira])yes=1; cevv=add(cevv,f1(sira+1,max(yes,al),last1,i)); } } return dp[sira][al][last2][last1]=cevv; } main(void){ scanf("%lld %lld",&n,&m); n--; if(n==-1)flag=1; while(n){ v.pb(n%10); n/=10; } while(m){ vv.pb(m%10); m/=10; } //~ v=vv; reverse(v.begin(),v.end()); reverse(vv.begin(),vv.end()); //~ for(int i=0;i<(int)vv.size();i++)printf("%lld",vv[i]); //~ printf("\n"); //~ for(int i=0;i<(int)v.size();i++)printf("%lld",v[i]); //~ printf("\n"); memset(dp,-1,sizeof(dp)); //~ if(n==-1) cev=f1(0,0,10,10); memset(dp,-1,sizeof(dp)); if(flag)cev=0; //~ cout<<cev<<endl; printf("%lld\n",cev-f(0,0,10,10)); //~ cout<<aman<<endl; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

numbers.cpp:85:10: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   85 | main(void){
      |          ^
numbers.cpp: In function 'int main()':
numbers.cpp:86:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   86 |  scanf("%lld %lld",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~
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