Submission #490939

#TimeUsernameProblemLanguageResultExecution timeMemory
490939rainboySegway (COI19_segway)C11
40 / 100
1091 ms836 KiB
#include <stdio.h> #include <string.h> #define N 20000 #define X 300 #define INF 0x3f3f3f3f int min(int a, int b) { return a < b ? a : b; } int main() { static int ss[N][3], xx[N], yy[N], tt[N], kk[X + 1]; static char accel[X + 1]; int n, m, h, i, x; scanf("%d", &n); for (i = 0; i < n; i++) for (h = 0; h < 3; h++) scanf("%d", &ss[i][h]); scanf("%d", &m); for (h = 0; h < m; h++) { scanf("%d", &x); accel[x] = 1; } for (i = 0; i < n; i++) tt[i] = ss[i][0]; while (1) { int t; t = INF; for (i = 0; i < n; i++) if (xx[i] != X) t = min(t, tt[i]); if (t == INF) break; for (i = 0; i < n; i++) if (xx[i] != X && tt[i] == t) { xx[i]++; if (xx[i] < X && accel[xx[i]] && yy[i] <= xx[i]) { yy[i] = -1; } } memset(kk, 0, (X + 1) * sizeof *kk); for (i = 0; i < n; i++) if (tt[i] == t) kk[xx[i] - 1]++; else kk[xx[i]]++; for (x = X - 1; x >= 0; x--) kk[x] += kk[x + 1]; for (i = 0; i < n; i++) if (yy[i] == -1) yy[i] = xx[i] + kk[xx[i]] % 20; for (i = 0; i < n; i++) if (xx[i] != X && tt[i] == t) tt[i] = yy[i] <= xx[i] ? t + ss[i][xx[i] / (X / 3)] : t + 1; } for (i = 0; i < n; i++) printf("%d\n", tt[i]); return 0; }

Compilation message (stderr)

segway.c: In function 'main':
segway.c:15:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
segway.c:18:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |    scanf("%d", &ss[i][h]);
      |    ^~~~~~~~~~~~~~~~~~~~~~
segway.c:19:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |  scanf("%d", &m);
      |  ^~~~~~~~~~~~~~~
segway.c:21:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |   scanf("%d", &x);
      |   ^~~~~~~~~~~~~~~
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