提出 #577168

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ソースコード 拡げる

#include <cstring>
#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <stack>
#include <queue>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>          //cout<<fixed<<setprecision(10);
//#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <ctime>
//#include <memory.h>
#include <cassert>

#define SZ(X) ((int)(X).size())
#define ALL(X) (X).begin(), (X).end()
#define REP(I, A, B) for (int I = (A); I < (B); ++I)
#define RI(X) scanf("%d", &(X))
#define RII(X, Y) scanf("%d%d", &(X), &(Y))
#define RIII(X, Y, Z) scanf("%d%d%d", &(X), &(Y), &(Z))
#define DRI(X) int (X); scanf("%d", &X)
#define DRII(X, Y) int X, Y; scanf("%d%d", &X, &Y)
#define DRIII(X, Y, Z) int X, Y, Z; scanf("%d%d%d", &X, &Y, &Z)
#define RS(X) scanf("%s", (X))
#define CASET int ___T, case_n = 1; scanf("%d ", &___T); while (___T-- > 0)
#define MP make_pair
#define PB push_back
#define MS0(X) memset((X), 0, sizeof((X)))
#define MS1(X) memset((X), -1, sizeof((X)))
#define LEN(X) ((int)strlen(X))
#define F first
#define S second
#define IOS ios_base::sync_with_stdio(0)
#ifdef ONLINE_JUDGE
#define FILEIO(name) \
    freopen(name".in", "r", stdin); \
    freopen(name".out", "w", stdout);
#else
#define FILEIO(name)
#endif

using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<int,int> ii;
typedef pair<ll,ll> pll;
/*#include<complex>
typedef complex<double> cd;
#define X real()
#define Y imag()*/

ll x;
bitset<20> bs;
ll ans=0,ma=-9e18,N;

ll dif(ll A,ll B){
    ll ret=A-B;
    if(ret<0)ret=-ret;
    return ret;
}

void go(ll now,int L){
    if(L==0){
        ll tmp=min(dif(now,x),N-dif(now,x));
        if(tmp>ma){
            ma=tmp;
            ans=now;
        }
        return;
    }
    for(int i=0;i<10;i++){
        if(bs[i])continue;
        bs[i]=1;
        go(now*10+i,L-1);
        bs[i]=0;
    }
}

char ANS[20],S[20];

int main()
{
    RS(S);
    x=0;
    REP(i,0,LEN(S))x=x*10+S[i]-'0';
    N=1;
    ll zz=x,L=0;
    for(;zz>0;){
        N*=10;
        zz/=10;
        L++;
    }
    REP(i,0,LEN(S)){
        if(S[i]!='0')break;
        N*=10;
        L++;
    }
    REP(i,0,10){
        bs[i]=1;
        go(i,L-1);
        bs[i]=0;
    }
    sprintf(ANS,"%lld",ans);
    if(LEN(ANS)<L)
        cout<<0<<ans<<endl;
    else
        cout<<ans<<endl;
    return 0;
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘int main()’:
./Main.cpp:93:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     RS(S);
          ^

ジャッジ結果