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#include <stdio.h>
 
int main() {
    int a, b, c, d, e;
    scanf("%d", &e);
 
    printf("以下は式の値が %d になるパターンです:\n", e);
    for (a = 0; a <= 9; a++) {
        for (b = 0; b <= 9; b++) {
            for (c = 0; c <= 9; c++) {
                for (d = 0; d <= 9; d++) {
                    if (((a - b) * c) + d == e) {
                        printf("(%d - %d) * %d + %d = %d\n", a, b, c, d, e);
                    }
                }
            }
        }
    }
 
    return 0;
}

Success #stdin #stdout 0s 5300KB

stdin

stdout

以下は式の値が 3 になるパターンです:
(0 - 0) * 0 + 3 = 3
(0 - 0) * 1 + 3 = 3
(0 - 0) * 2 + 3 = 3
(0 - 0) * 3 + 3 = 3
(0 - 0) * 4 + 3 = 3
(0 - 0) * 5 + 3 = 3
(0 - 0) * 6 + 3 = 3
(0 - 0) * 7 + 3 = 3
(0 - 0) * 8 + 3 = 3
(0 - 0) * 9 + 3 = 3
(0 - 1) * 0 + 3 = 3
(0 - 1) * 1 + 4 = 3
(0 - 1) * 2 + 5 = 3
(0 - 1) * 3 + 6 = 3
(0 - 1) * 4 + 7 = 3
(0 - 1) * 5 + 8 = 3
(0 - 1) * 6 + 9 = 3
(0 - 2) * 0 + 3 = 3
(0 - 2) * 1 + 5 = 3
(0 - 2) * 2 + 7 = 3
(0 - 2) * 3 + 9 = 3
(0 - 3) * 0 + 3 = 3
(0 - 3) * 1 + 6 = 3
(0 - 3) * 2 + 9 = 3
(0 - 4) * 0 + 3 = 3
(0 - 4) * 1 + 7 = 3
(0 - 5) * 0 + 3 = 3
(0 - 5) * 1 + 8 = 3
(0 - 6) * 0 + 3 = 3
(0 - 6) * 1 + 9 = 3
(0 - 7) * 0 + 3 = 3
(0 - 8) * 0 + 3 = 3
(0 - 9) * 0 + 3 = 3
(1 - 0) * 0 + 3 = 3
(1 - 0) * 1 + 2 = 3
(1 - 0) * 2 + 1 = 3
(1 - 0) * 3 + 0 = 3
(1 - 1) * 0 + 3 = 3
(1 - 1) * 1 + 3 = 3
(1 - 1) * 2 + 3 = 3
(1 - 1) * 3 + 3 = 3
(1 - 1) * 4 + 3 = 3
(1 - 1) * 5 + 3 = 3
(1 - 1) * 6 + 3 = 3
(1 - 1) * 7 + 3 = 3
(1 - 1) * 8 + 3 = 3
(1 - 1) * 9 + 3 = 3
(1 - 2) * 0 + 3 = 3
(1 - 2) * 1 + 4 = 3
(1 - 2) * 2 + 5 = 3
(1 - 2) * 3 + 6 = 3
(1 - 2) * 4 + 7 = 3
(1 - 2) * 5 + 8 = 3
(1 - 2) * 6 + 9 = 3
(1 - 3) * 0 + 3 = 3
(1 - 3) * 1 + 5 = 3
(1 - 3) * 2 + 7 = 3
(1 - 3) * 3 + 9 = 3
(1 - 4) * 0 + 3 = 3
(1 - 4) * 1 + 6 = 3
(1 - 4) * 2 + 9 = 3
(1 - 5) * 0 + 3 = 3
(1 - 5) * 1 + 7 = 3
(1 - 6) * 0 + 3 = 3
(1 - 6) * 1 + 8 = 3
(1 - 7) * 0 + 3 = 3
(1 - 7) * 1 + 9 = 3
(1 - 8) * 0 + 3 = 3
(1 - 9) * 0 + 3 = 3
(2 - 0) * 0 + 3 = 3
(2 - 0) * 1 + 1 = 3
(2 - 1) * 0 + 3 = 3
(2 - 1) * 1 + 2 = 3
(2 - 1) * 2 + 1 = 3
(2 - 1) * 3 + 0 = 3
(2 - 2) * 0 + 3 = 3
(2 - 2) * 1 + 3 = 3
(2 - 2) * 2 + 3 = 3
(2 - 2) * 3 + 3 = 3
(2 - 2) * 4 + 3 = 3
(2 - 2) * 5 + 3 = 3
(2 - 2) * 6 + 3 = 3
(2 - 2) * 7 + 3 = 3
(2 - 2) * 8 + 3 = 3
(2 - 2) * 9 + 3 = 3
(2 - 3) * 0 + 3 = 3
(2 - 3) * 1 + 4 = 3
(2 - 3) * 2 + 5 = 3
(2 - 3) * 3 + 6 = 3
(2 - 3) * 4 + 7 = 3
(2 - 3) * 5 + 8 = 3
(2 - 3) * 6 + 9 = 3
(2 - 4) * 0 + 3 = 3
(2 - 4) * 1 + 5 = 3
(2 - 4) * 2 + 7 = 3
(2 - 4) * 3 + 9 = 3
(2 - 5) * 0 + 3 = 3
(2 - 5) * 1 + 6 = 3
(2 - 5) * 2 + 9 = 3
(2 - 6) * 0 + 3 = 3
(2 - 6) * 1 + 7 = 3
(2 - 7) * 0 + 3 = 3
(2 - 7) * 1 + 8 = 3
(2 - 8) * 0 + 3 = 3
(2 - 8) * 1 + 9 = 3
(2 - 9) * 0 + 3 = 3
(3 - 0) * 0 + 3 = 3
(3 - 0) * 1 + 0 = 3
(3 - 1) * 0 + 3 = 3
(3 - 1) * 1 + 1 = 3
(3 - 2) * 0 + 3 = 3
(3 - 2) * 1 + 2 = 3
(3 - 2) * 2 + 1 = 3
(3 - 2) * 3 + 0 = 3
(3 - 3) * 0 + 3 = 3
(3 - 3) * 1 + 3 = 3
(3 - 3) * 2 + 3 = 3
(3 - 3) * 3 + 3 = 3
(3 - 3) * 4 + 3 = 3
(3 - 3) * 5 + 3 = 3
(3 - 3) * 6 + 3 = 3
(3 - 3) * 7 + 3 = 3
(3 - 3) * 8 + 3 = 3
(3 - 3) * 9 + 3 = 3
(3 - 4) * 0 + 3 = 3
(3 - 4) * 1 + 4 = 3
(3 - 4) * 2 + 5 = 3
(3 - 4) * 3 + 6 = 3
(3 - 4) * 4 + 7 = 3
(3 - 4) * 5 + 8 = 3
(3 - 4) * 6 + 9 = 3
(3 - 5) * 0 + 3 = 3
(3 - 5) * 1 + 5 = 3
(3 - 5) * 2 + 7 = 3
(3 - 5) * 3 + 9 = 3
(3 - 6) * 0 + 3 = 3
(3 - 6) * 1 + 6 = 3
(3 - 6) * 2 + 9 = 3
(3 - 7) * 0 + 3 = 3
(3 - 7) * 1 + 7 = 3
(3 - 8) * 0 + 3 = 3
(3 - 8) * 1 + 8 = 3
(3 - 9) * 0 + 3 = 3
(3 - 9) * 1 + 9 = 3
(4 - 0) * 0 + 3 = 3
(4 - 1) * 0 + 3 = 3
(4 - 1) * 1 + 0 = 3
(4 - 2) * 0 + 3 = 3
(4 - 2) * 1 + 1 = 3
(4 - 3) * 0 + 3 = 3
(4 - 3) * 1 + 2 = 3
(4 - 3) * 2 + 1 = 3
(4 - 3) * 3 + 0 = 3
(4 - 4) * 0 + 3 = 3
(4 - 4) * 1 + 3 = 3
(4 - 4) * 2 + 3 = 3
(4 - 4) * 3 + 3 = 3
(4 - 4) * 4 + 3 = 3
(4 - 4) * 5 + 3 = 3
(4 - 4) * 6 + 3 = 3
(4 - 4) * 7 + 3 = 3
(4 - 4) * 8 + 3 = 3
(4 - 4) * 9 + 3 = 3
(4 - 5) * 0 + 3 = 3
(4 - 5) * 1 + 4 = 3
(4 - 5) * 2 + 5 = 3
(4 - 5) * 3 + 6 = 3
(4 - 5) * 4 + 7 = 3
(4 - 5) * 5 + 8 = 3
(4 - 5) * 6 + 9 = 3
(4 - 6) * 0 + 3 = 3
(4 - 6) * 1 + 5 = 3
(4 - 6) * 2 + 7 = 3
(4 - 6) * 3 + 9 = 3
(4 - 7) * 0 + 3 = 3
(4 - 7) * 1 + 6 = 3
(4 - 7) * 2 + 9 = 3
(4 - 8) * 0 + 3 = 3
(4 - 8) * 1 + 7 = 3
(4 - 9) * 0 + 3 = 3
(4 - 9) * 1 + 8 = 3
(5 - 0) * 0 + 3 = 3
(5 - 1) * 0 + 3 = 3
(5 - 2) * 0 + 3 = 3
(5 - 2) * 1 + 0 = 3
(5 - 3) * 0 + 3 = 3
(5 - 3) * 1 + 1 = 3
(5 - 4) * 0 + 3 = 3
(5 - 4) * 1 + 2 = 3
(5 - 4) * 2 + 1 = 3
(5 - 4) * 3 + 0 = 3
(5 - 5) * 0 + 3 = 3
(5 - 5) * 1 + 3 = 3
(5 - 5) * 2 + 3 = 3
(5 - 5) * 3 + 3 = 3
(5 - 5) * 4 + 3 = 3
(5 - 5) * 5 + 3 = 3
(5 - 5) * 6 + 3 = 3
(5 - 5) * 7 + 3 = 3
(5 - 5) * 8 + 3 = 3
(5 - 5) * 9 + 3 = 3
(5 - 6) * 0 + 3 = 3
(5 - 6) * 1 + 4 = 3
(5 - 6) * 2 + 5 = 3
(5 - 6) * 3 + 6 = 3
(5 - 6) * 4 + 7 = 3
(5 - 6) * 5 + 8 = 3
(5 - 6) * 6 + 9 = 3
(5 - 7) * 0 + 3 = 3
(5 - 7) * 1 + 5 = 3
(5 - 7) * 2 + 7 = 3
(5 - 7) * 3 + 9 = 3
(5 - 8) * 0 + 3 = 3
(5 - 8) * 1 + 6 = 3
(5 - 8) * 2 + 9 = 3
(5 - 9) * 0 + 3 = 3
(5 - 9) * 1 + 7 = 3
(6 - 0) * 0 + 3 = 3
(6 - 1) * 0 + 3 = 3
(6 - 2) * 0 + 3 = 3
(6 - 3) * 0 + 3 = 3
(6 - 3) * 1 + 0 = 3
(6 - 4) * 0 + 3 = 3
(6 - 4) * 1 + 1 = 3
(6 - 5) * 0 + 3 = 3
(6 - 5) * 1 + 2 = 3
(6 - 5) * 2 + 1 = 3
(6 - 5) * 3 + 0 = 3
(6 - 6) * 0 + 3 = 3
(6 - 6) * 1 + 3 = 3
(6 - 6) * 2 + 3 = 3
(6 - 6) * 3 + 3 = 3
(6 - 6) * 4 + 3 = 3
(6 - 6) * 5 + 3 = 3
(6 - 6) * 6 + 3 = 3
(6 - 6) * 7 + 3 = 3
(6 - 6) * 8 + 3 = 3
(6 - 6) * 9 + 3 = 3
(6 - 7) * 0 + 3 = 3
(6 - 7) * 1 + 4 = 3
(6 - 7) * 2 + 5 = 3
(6 - 7) * 3 + 6 = 3
(6 - 7) * 4 + 7 = 3
(6 - 7) * 5 + 8 = 3
(6 - 7) * 6 + 9 = 3
(6 - 8) * 0 + 3 = 3
(6 - 8) * 1 + 5 = 3
(6 - 8) * 2 + 7 = 3
(6 - 8) * 3 + 9 = 3
(6 - 9) * 0 + 3 = 3
(6 - 9) * 1 + 6 = 3
(6 - 9) * 2 + 9 = 3
(7 - 0) * 0 + 3 = 3
(7 - 1) * 0 + 3 = 3
(7 - 2) * 0 + 3 = 3
(7 - 3) * 0 + 3 = 3
(7 - 4) * 0 + 3 = 3
(7 - 4) * 1 + 0 = 3
(7 - 5) * 0 + 3 = 3
(7 - 5) * 1 + 1 = 3
(7 - 6) * 0 + 3 = 3
(7 - 6) * 1 + 2 = 3
(7 - 6) * 2 + 1 = 3
(7 - 6) * 3 + 0 = 3
(7 - 7) * 0 + 3 = 3
(7 - 7) * 1 + 3 = 3
(7 - 7) * 2 + 3 = 3
(7 - 7) * 3 + 3 = 3
(7 - 7) * 4 + 3 = 3
(7 - 7) * 5 + 3 = 3
(7 - 7) * 6 + 3 = 3
(7 - 7) * 7 + 3 = 3
(7 - 7) * 8 + 3 = 3
(7 - 7) * 9 + 3 = 3
(7 - 8) * 0 + 3 = 3
(7 - 8) * 1 + 4 = 3
(7 - 8) * 2 + 5 = 3
(7 - 8) * 3 + 6 = 3
(7 - 8) * 4 + 7 = 3
(7 - 8) * 5 + 8 = 3
(7 - 8) * 6 + 9 = 3
(7 - 9) * 0 + 3 = 3
(7 - 9) * 1 + 5 = 3
(7 - 9) * 2 + 7 = 3
(7 - 9) * 3 + 9 = 3
(8 - 0) * 0 + 3 = 3
(8 - 1) * 0 + 3 = 3
(8 - 2) * 0 + 3 = 3
(8 - 3) * 0 + 3 = 3
(8 - 4) * 0 + 3 = 3
(8 - 5) * 0 + 3 = 3
(8 - 5) * 1 + 0 = 3
(8 - 6) * 0 + 3 = 3
(8 - 6) * 1 + 1 = 3
(8 - 7) * 0 + 3 = 3
(8 - 7) * 1 + 2 = 3
(8 - 7) * 2 + 1 = 3
(8 - 7) * 3 + 0 = 3
(8 - 8) * 0 + 3 = 3
(8 - 8) * 1 + 3 = 3
(8 - 8) * 2 + 3 = 3
(8 - 8) * 3 + 3 = 3
(8 - 8) * 4 + 3 = 3
(8 - 8) * 5 + 3 = 3
(8 - 8) * 6 + 3 = 3
(8 - 8) * 7 + 3 = 3
(8 - 8) * 8 + 3 = 3
(8 - 8) * 9 + 3 = 3
(8 - 9) * 0 + 3 = 3
(8 - 9) * 1 + 4 = 3
(8 - 9) * 2 + 5 = 3
(8 - 9) * 3 + 6 = 3
(8 - 9) * 4 + 7 = 3
(8 - 9) * 5 + 8 = 3
(8 - 9) * 6 + 9 = 3
(9 - 0) * 0 + 3 = 3
(9 - 1) * 0 + 3 = 3
(9 - 2) * 0 + 3 = 3
(9 - 3) * 0 + 3 = 3
(9 - 4) * 0 + 3 = 3
(9 - 5) * 0 + 3 = 3
(9 - 6) * 0 + 3 = 3
(9 - 6) * 1 + 0 = 3
(9 - 7) * 0 + 3 = 3
(9 - 7) * 1 + 1 = 3
(9 - 8) * 0 + 3 = 3
(9 - 8) * 1 + 2 = 3
(9 - 8) * 2 + 1 = 3
(9 - 8) * 3 + 0 = 3
(9 - 9) * 0 + 3 = 3
(9 - 9) * 1 + 3 = 3
(9 - 9) * 2 + 3 = 3
(9 - 9) * 3 + 3 = 3
(9 - 9) * 4 + 3 = 3
(9 - 9) * 5 + 3 = 3
(9 - 9) * 6 + 3 = 3
(9 - 9) * 7 + 3 = 3
(9 - 9) * 8 + 3 = 3
(9 - 9) * 9 + 3 = 3

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