結果

問題 No.528 10^9と10^9+7と回文
ユーザー 👑 kmjpkmjp
提出日時 2017-06-10 00:10:09
言語 C++11
(gcc 11.4.0)
結果
RE  
実行時間 -
コード長 1,852 bytes
コンパイル時間 1,511 ms
コンパイル使用メモリ 168,416 KB
実行使用メモリ 19,244 KB
最終ジャッジ日時 2023-10-24 03:39:31
合計ジャッジ時間 5,273 ms
ジャッジサーバーID
（参考情報） 		judge12 / judge13
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 8 ms
6,192 KB
testcase_01 AC 7 ms
6,192 KB
testcase_02 AC 8 ms
6,192 KB
testcase_03 AC 8 ms
6,192 KB
testcase_04 AC 7 ms
6,192 KB
testcase_05 AC 8 ms
6,192 KB
testcase_06 AC 7 ms
6,192 KB
testcase_07 AC 8 ms
6,192 KB
testcase_08 AC 8 ms
6,192 KB
testcase_09 RE -
testcase_10 RE -
testcase_11 RE -
testcase_12 RE -
testcase_13 RE -
testcase_14 RE -
testcase_15 RE -
testcase_16 RE -
testcase_17 RE -
testcase_18 RE -
testcase_19 RE -
testcase_20 RE -
testcase_21 RE -
testcase_22 RE -
testcase_23 RE -
testcase_24 RE -
testcase_25 RE -
testcase_26 RE -
testcase_27 AC 9 ms
6,204 KB
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コンパイルメッセージ
main.cpp: In function ‘ll gogo(std::deque<int>&, int)’:
main.cpp:38:50: warning: ‘__builtin___sprintf_chk’ may write a terminating nul past the end of the destination [-Wformat-overflow=]
   38 |                                 sprintf(buf,"%06d",i);
      |                                                  ^
In file included from /usr/include/stdio.h:894,
                 from /usr/include/c++/11/cstdio:42,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:46,
                 from main.cpp:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 7 and 11 bytes into a destination of size 10
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
main.cpp:34:48: warning: ‘__builtin___sprintf_chk’ may write a terminating nul past the end of the destination [-Wformat-overflow=]
   34 |                                 sprintf(buf,"%d",i);
      |                                                ^
In file included from /usr/include/stdio.h:894,
                 from /usr/include/c++/11/cstdio:42,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:46,
                 from main.cpp:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:34: note: ‘__builtin___sprintf_chk’ output between 2 and 11 bytes into a destination of size 10
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |

ソースコード

diff # 

#include <bits/stdc++.h>
using namespace std;
typedef signed long long ll;

#undef _P
#define _P(...) (void)printf(__VA_ARGS__)
#define FOR(x,to) for(x=0;x<(to);x++)
#define FORR(x,arr) for(auto& x:arr)
#define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++)
#define ALL(a) (a.begin()),(a.end())
#define ZERO(a) memset(a,0,sizeof(a))
#define MINUS(a) memset(a,0xff,sizeof(a))
//-------------------------------------------------------

int N;
string S;
ll p10[101010];
ll num[101010];
ll sum[101010];
ll mo;


ll gogo(deque<int>& D,int first=0) {
	int i,j,k,l,r,x,y;
	
	
	if(D.size()<=4) {
		int v=0,x=0;
		FORR(c,D) v=v*10+c;
		for(i=1;i<=v;i++) {
			char buf[10];
			string a,b;
			if(first) {
				sprintf(buf,"%d",i);
				a=buf;
			}
			else {
				sprintf(buf,"%06d",i);
				a=buf;
				a=a.substr(a.size()-N);
			}
			b=a;
			reverse(ALL(b));
			if(a==b) x++;
		}
		return x;
	}
	
	ll ret=0;
	
	if(first) {
		ret += 9*sum[D.size()-1];
		(ret += (D[0]-1)*10*num[D.size()-2])%=mo;
	}
	else {
		(ret += D[0]*10*num[D.size()-2])%=mo;
	}
	
	int del=D[0]>D.back();
	D.pop_front();
	D.pop_back();
	for(i=D.size()-1;i>=0&&del;i--) {
		D[i]--;
		if(D[i]>=0) del=0;
		else D[i]=9;
	}
	if(del==0) ret += gogo(D);
	return ret%mo;
}

ll hoge() {
	int i,j,k,l,r,x,y; string s;
	p10[0]=1;
	FOR(i,100001) {
		p10[i+1]=p10[i]*10%mo;
		if(i==0) num[i]=0;
		else num[i]=p10[(i-1)/2]%mo;
		sum[i]=((i==0)?0:sum[i-1])+num[i];
	}
	deque<int> T;
	FORR(c,S) T.push_back(c-'0');
	return gogo(T,1);
}

void solve() {
	int i,j,k,l,r,x,y; string s;
	
	cin>>S;
	N=S.size();
	
	mo=1000000000;
	cout<<hoge()<<endl;
	mo=1000000007;
	cout<<hoge()<<endl;
	
}


int main(int argc,char** argv){
	string s;int i;
	if(argc==1) ios::sync_with_stdio(false), cin.tie(0);
	FOR(i,argc-1) s+=argv[i+1],s+='\n';
	FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin);
	solve(); return 0;
}
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