https://www.acmicpc.net/problem/2309

2309.cpp

#include <cstdio>
int main() {
    int a[9];
    int n=9;
    for (int i=0; i<n; i++) {
        scanf("%d",&a[i]);
    }
    for (int l1=0; l1<n; l1++) {
        for (int l2=0; l2<n; l2++) {
            if (l1 == l2) continue;
            for (int l3=0; l3<n; l3++) {
                if (l1 == l3 || l2 == l3) continue;
                for (int l4=0; l4<n; l4++) {
                    if (l1 == l4 || l2 == l4 || l3 == l4) continue;
                    for (int l5=0; l5<n; l5++) {
                        if (l1 == l5 || l2 == l5 || l3 == l5 || l4 == l5) continue;
                        for (int l6=0; l6<n; l6++) {
                            if (l1 == l6 || l2 == l6 || l3 == l6 || l4 == l6 || l5 == l6) continue;
                            for (int l7=0; l7<n; l7++) {
                                if (l1 == l7 || l2 == l7 || l3 == l7 || l4 == l7 || l5 == l7 || l6 == l7) continue;
                                if (a[l1]+a[l2]+a[l3]+a[l4]+a[l5]+a[l6]+a[l7] != 100) continue;
                                if (a[l1] <= a[l2] && a[l2] <= a[l3] && a[l3] <= a[l4] && a[l4] <= a[l5] && a[l5] <= a[l6] && a[l6] <= a[l7]) {
                                    printf("%d\n%d\n%d\n%d\n%d\n%d\n%d\n",a[l1],a[l2],a[l3],a[l4],a[l5],a[l6],a[l7]);
                                }
                            }
                        }
                    }
                }
            }
        }
    }
    return 0;
}