Submission #314770

#	Time	Username	Problem	Language	Result	Execution time	Memory
314770		kubo	Detecting Molecules (IOI16_molecules)	C11	0 / 100	1 ms	256 KiB

molecules

#include <stdio.h>
#include <stdlib.h>


int cmpfunc (const void * a, const void * b)
{
    return ( *(int*)a - *(int*)b );
}


int find_subset (int l, int u, int* w, int n, int* result)
{
    qsort(w, n, sizeof(int), cmpfunc);
    int i = 0, j = 0;
    long v = 0;
    do {
        if (v < l && j<n) {
            v += w[j++];
        } else if (v > u && i<n) {
            v -= w[i++];
        } else {
            break;
        }
        /* printf("%d %d %ld\n", i, j, v); */
    } while (1);

    if (v>=l && v<=u) {
        for (int k=i; k<j; ++k)
            result[k-i] = w[k];
        return j-i;
    }
    return 0;
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31