제출 #206379

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
206379		Ruxandra985	Devil's Share (RMI19_devil)	C++14	14 / 100	176 ms	2172 KiB

devil

#include <bits/stdc++.h>
 
using namespace std;
int n;
int f[10] , f2[10] , sol[1000000];
int possible (int nr){
    int i , p , maxi , scz;
 
    for (i = 1 ; i <= 9 ; i++)
        f2[i] = f[i];
 
    if (nr % 10 > nr / 10){
        /// ar trb ca nr % 10 sa apara o sg data si la sf
 
        sol[n] = nr % 10;
        f2[nr % 10]--;
 
        /// daca nr / 10 nu e maxim nu se poate
 
        for (i = nr / 10 + 1 ; i <= 9 ; i++)
            if (f2[i])
                return 0;
 
        /// now what
        p = 0;
        for (i = 1 ; i <= 9; i++){
 
            while (f2[i]){ /// le pui cresc si e ok
                sol[++p] = i;
                f2[i]--;
            }
 
        }
        return 1;
 
    }
    else { /// n % 10 <= n / 10
        for (i = 1 ; i <= 9 ; i++)
            if (f2[i])
                maxi = i;
        p = n + 2;
        scz = 0;
        if (maxi > nr / 10){ /// ai grija
            if (f2[maxi] != 1)
                return 0;
            f2[maxi] = 0;
            sol[n] = maxi;
 
            for (i = nr / 10 + 1 ; i <= 9 ; i++)
                if (f2[i])
                    return 0;
 
            /// acum n / 10 = maxi
            /// pot sa pun orice dar sa nu am n/10 pe n-1?
            i = nr % 10;
            if (f2[i]){ /// pun o val cat mai mare
                sol[n - 1] = i;
                f2[i]--;
            }
            p = n;
            scz = 2;
        }
 
        int add = -2;
 
        for (i = 9 ; i ; i--){
 
            while (f2[i]){ /// le pui cresc si e ok
                if (p + add <= 0){
                    /// acum add e -2
                    add = 2;
                    if (p == 2)
                        p = 1 - add;
                    else p = 2 - add;
                }
                sol[p + add] = i;
                p += add;
                f2[i]--;
            }
 
        }
        return 1;
 
    }
 
}
int main()
{
    FILE *fin = stdin;
    FILE *fout = stdout;
    int t , k , i;
    fscanf (fin,"%d",&t);
    for (;t;t--){
        fscanf (fin,"%d",&k);
        n = 0;
        for (i=1;i<=9;i++){
            fscanf (fin,"%d",&f[i]);
            n += f[i];
        }
 
        if (k == 2){ /// subtask 14p
 
            for (i = 11 ; i <= 99 ; i++){
                if (i % 10 != 0 && f[i % 10] && f[i / 10]){
                    if (possible(i))
                        break;
                }
            }
 
            for (i = 1 ; i <= n ; i++)
                fprintf (fout,"%d",sol[i]);
            fprintf (fout,"\n");
 
        }
 
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

devil.cpp: In function 'int possible(int)':
devil.cpp:7:24: warning: variable 'scz' set but not used [-Wunused-but-set-variable]
     int i , p , maxi , scz;
                        ^~~
devil.cpp: In function 'int main()':
devil.cpp:92:12: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     fscanf (fin,"%d",&t);
     ~~~~~~~^~~~~~~~~~~~~
devil.cpp:94:16: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         fscanf (fin,"%d",&k);
         ~~~~~~~^~~~~~~~~~~~~
devil.cpp:97:20: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             fscanf (fin,"%d",&f[i]);
             ~~~~~~~^~~~~~~~~~~~~~~~
devil.cpp: In function 'int possible(int)':
devil.cpp:43:9: warning: 'maxi' may be used uninitialized in this function [-Wmaybe-uninitialized]
         if (maxi > nr / 10){ /// ai grija
         ^~

• Subtask 1: 0 / 13
• Subtask 2: 14 / 14
• Subtask 3: 0 / 29
• Subtask 4: 0 / 44