#include <stdio.h> #define N 100000 #define M 1000000 int ii[M], hh[M], kk[N + 1], ll[N + 1], n, d, m; int solve(int k, int print) { int h, i, j; if (!print) for (i = 0, j = 0; j < n; j++) { int k_; k_ = k; ll[j] = kk[j]; while (i <= j && k_ >= ll[i]) k_ -= ll[i++]; if (i <= j) ll[i] -= k_; if (j - i >= d) return 0; } else for (i = 0, h = 0; i < n; i++) { int k_ = k; while (h < m && ii[hh[h]] <= i && k_--) printf("%d ", hh[h++] + 1); printf("0\n"); } return 1; } int main() { int h, i, lower, upper; scanf("%d%d%d", &n, &d, &m); for (h = 0; h < m; h++) { scanf("%d", &ii[h]), ii[h]--; kk[ii[h]]++; } for (i = 1; i <= n; i++) ll[i] = ll[i - 1] + kk[i - 1]; for (h = 0; h < m; h++) hh[ll[ii[h]]++] = h; lower = 0, upper = m; while (upper - lower > 1) { int k = (lower + upper) / 2; if (solve(k, 0)) upper = k; else lower = k; } printf("%d\n", upper); solve(upper, 1); return 0; }

jobs.c: In function 'main':
jobs.c:38:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |  scanf("%d%d%d", &n, &d, &m);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
jobs.c:40:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |   scanf("%d", &ii[h]), ii[h]--;
      |   ^~~~~~~~~~~~~~~~~~~