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31 lines
601 B
31 lines
601 B
#include <bits/stdc++.h>
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using namespace std;
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const int N = 10;
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int a[N];
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bool st[N];
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int n = 9;
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void dfs(int step) {
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if (step == n + 1) {
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if ((a[1] * 100 + a[2] * 10 + a[3]) + (a[4] * 100 + a[5] * 10 + a[6]) == a[7] * 100 + a[8] * 10 + a[9]) {
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for (int i = 1; i <= 9; i++) printf("%d ", a[i]);
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printf("\n");
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}
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return;
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}
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for (int i = 1; i <= n; i++) {
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if (!st[i]) {
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a[step] = i;
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st[i] = true;
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dfs(step + 1);
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st[i] = false;
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}
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}
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}
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int main() {
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dfs(1);
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return 0;
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} |