=#include <stdio.h>
#include <stdlib.h>
#define N 300000
#define LN 19 /* LN = ceil(log2(N)) */
#define N_ (1 << LN)
#define N1 (N * ((LN + 1) * 2 + 4))
#define INF 0x3f3f3f3f3f3f3f3fLL
long long min(long long a, long long b) { return a < b ? a : b; }
long long max(long long a, long long b) { return a > b ? a : b; }
int n;
int aa[N], cc[N];
int *ej[N], eo[N];
void append(int i, int j) {
int o = eo[i]++;
if (o >= 2 && (o & o - 1) == 0)
ej[i] = (int *) realloc(ej[i], o * 2 * sizeof *ej[i]);
ej[i][o] = j;
}
int cc_[N_ * 2];
void build(int k, int l, int r) {
int m;
if (r - l == 1) {
cc_[k] = cc[l];
return;
}
m = (l + r) / 2;
build(k << 1 | 0, l, m), build(k << 1 | 1, m, r);
cc_[k] = min(cc_[k << 1 | 0], cc_[k << 1 | 1]);
}
int ll[N1], rr[N1]; long long xx1[N1], xx2[N1], yy[N1], lz1[N1], lz2[N1]; int cc1[N1];
int node(int k, long long x) {
static int _ = 1;
xx1[_] = x, xx2[_] = -INF, yy[_] = INF, cc1[_] = cc_[k];
return _++;
}
void put1(int u, long long z) {
xx1[u] += z;
lz1[u] += z;
}
void put2(int u, long long z) {
xx1[u] += z;
if (xx2[u] != -INF)
xx2[u] += z;
if (yy[u] != INF)
yy[u] += z;
lz2[u] += z;
}
void pus(int u) {
int l, r;
long long z;
l = ll[u], r = rr[u];
if (z = lz1[u]) {
if (xx1[l] > xx1[r])
put1(l, z);
else if (xx1[l] < xx1[r])
put1(r, z);
else
put1(l, z), put1(r, z);
lz1[u] = 0;
}
if (z = lz2[u]) {
put2(l, z), put2(r, z);
lz2[u] = 0;
}
}
void pul(int u) {
int l = ll[u], r = rr[u];
if (xx1[l] > xx1[r]) {
xx1[u] = xx1[l], xx2[u] = max(xx2[l], xx1[r]);
yy[u] = min(yy[l], min(xx1[r] + cc1[r], yy[r]));
cc1[u] = cc1[l];
} else if (xx1[l] < xx1[r]) {
xx1[u] = xx1[r], xx2[u] = max(xx1[l], xx2[r]);
yy[u] = min(min(xx1[l] + cc1[l], yy[l]), yy[r]);
cc1[u] = cc1[r];
} else {
xx1[u] = xx1[l], xx2[u] = max(xx2[l], xx2[r]);
yy[u] = min(yy[l], yy[r]);
cc1[u] = min(cc1[l], cc1[r]);
}
if (xx2[u] == -INF)
ll[u] = rr[u] = 0;
}
int merge(int u, int v) {
if (xx2[u] == -INF) {
put2(v, xx1[u]);
return v;
} else if (xx2[v] == -INF) {
put2(u, xx1[v]);
return u;
} else {
pus(u), pus(v);
ll[u] = merge(ll[u], ll[v]), rr[u] = merge(rr[u], rr[v]);
pul(u);
return u;
}
}
int cut_(int k, int l, int r, int ql, int qr, long long x) {
int u, m;
if (ql <= l && r <= qr)
return node(k, x);
if (qr <= l || r <= ql)
return node(k, INF);
u = node(k, INF);
m = (l + r) / 2;
ll[u] = cut_(k << 1 | 0, l, m, ql, qr, x), rr[u] = cut_(k << 1 | 1, m, r, ql, qr, x);
pul(u);
return u;
}
int cut(int u, int k, int l, int r, int ql, int qr) {
int m;
if (ql <= l && r <= qr)
return u;
if (qr <= l || r <= ql)
return node(k, INF);
if (xx2[u] == -INF)
return cut_(k, l, r, ql, qr, xx1[u]);
m = (l + r) / 2;
pus(u);
ll[u] = cut(ll[u], k << 1 | 0, l, m, ql, qr), rr[u] = cut(rr[u], k << 1 | 1, m, r, ql, qr);
pul(u);
return u;
}
void update(int u, int l, int r, long long x) {
int m;
if (xx1[u] <= x)
return;
if (xx2[u] < x) {
put1(u, x - xx1[u]);
return;
}
m = (l + r) / 2;
pus(u);
update(ll[u], l, m, x), update(rr[u], m, r, x);
pul(u);
}
int tt[N]; long long dp[N];
void dfs(int p, int i) {
int o;
tt[i] = node(1, 0);
for (o = eo[i]; o--; ) {
int j = ej[i][o];
if (j != p) {
dfs(i, j);
tt[i] = merge(tt[i], tt[j]);
}
}
tt[i] = cut(tt[i], 1, 0, n, aa[i], n);
dp[i] = min(xx1[tt[i]] + cc1[tt[i]], yy[tt[i]]);
if (p != -1 && aa[p] != aa[i] - 1) {
if (aa[i] == 0)
tt[i] = cut(tt[i], 1, 0, n, aa[p], aa[p] + 1);
else
tt[i] = node(1, INF);
}
update(tt[i], 0, n, dp[i]);
}
int main() {
int h, i, j;
scanf("%d", &n);
for (i = 0; i < n; i++)
scanf("%d", &aa[i]);
for (i = 0; i < n; i++)
scanf("%d", &cc[i]);
build(1, 0, n);
for (i = 0; i < n; i++)
ej[i] = (int *) malloc(2 * sizeof *ej[i]);
for (h = 0; h < n - 1; h++) {
scanf("%d%d", &i, &j), i--, j--;
append(i, j), append(j, i);
}
dfs(-1, 0);
printf("%lld\n", dp[0]);
return 0;
}
Compilation message
code1.c:1:1: error: expected identifier or '(' before '=' token
1 | =#include <stdio.h>
| ^
code1.c:1:2: error: stray '#' in program
1 | =#include <stdio.h>
| ^
In file included from code1.c:2:
/usr/include/stdlib.h:97:8: error: unknown type name 'size_t'
97 | extern size_t __ctype_get_mb_cur_max (void) __THROW __wur;
| ^~~~~~
In file included from code1.c:2:
/usr/include/stdlib.h:411:4: error: unknown type name 'size_t'
411 | size_t __statelen) __THROW __nonnull ((2));
| ^~~~~~
/usr/include/stdlib.h:395:1: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
394 | # include <sys/types.h> /* we need int32_t... */
+++ |+#include <stddef.h>
395 |
/usr/include/stdlib.h:441:4: error: unknown type name 'size_t'
441 | size_t __statelen,
| ^~~~~~
/usr/include/stdlib.h:441:4: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:539:22: error: unknown type name 'size_t'
539 | extern void *malloc (size_t __size) __THROW __attribute_malloc__
| ^~~~~~
/usr/include/stdlib.h:539:22: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:542:22: error: unknown type name 'size_t'
542 | extern void *calloc (size_t __nmemb, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:542:22: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:542:38: error: unknown type name 'size_t'
542 | extern void *calloc (size_t __nmemb, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:542:38: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:550:36: error: unknown type name 'size_t'
550 | extern void *realloc (void *__ptr, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:550:36: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:559:41: error: unknown type name 'size_t'
559 | extern void *reallocarray (void *__ptr, size_t __nmemb, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:559:41: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:559:57: error: unknown type name 'size_t'
559 | extern void *reallocarray (void *__ptr, size_t __nmemb, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:559:57: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
In file included from /usr/include/stdlib.h:568,
from code1.c:2:
/usr/include/alloca.h:32:22: error: unknown type name 'size_t'
32 | extern void *alloca (size_t __size) __THROW;
| ^~~~~~
/usr/include/alloca.h:25:1: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
24 | #include <stddef.h>
+++ |+#include <stddef.h>
25 |
In file included from code1.c:2:
/usr/include/stdlib.h:574:22: error: unknown type name 'size_t'
574 | extern void *valloc (size_t __size) __THROW __attribute_malloc__
| ^~~~~~
/usr/include/stdlib.h:574:22: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:580:45: error: unknown type name 'size_t'
580 | extern int posix_memalign (void **__memptr, size_t __alignment, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:580:45: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:580:65: error: unknown type name 'size_t'
580 | extern int posix_memalign (void **__memptr, size_t __alignment, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:580:65: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:586:29: error: unknown type name 'size_t'
586 | extern void *aligned_alloc (size_t __alignment, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:586:29: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:586:49: error: unknown type name 'size_t'
586 | extern void *aligned_alloc (size_t __alignment, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:586:49: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:821:9: error: unknown type name 'size_t'
821 | size_t __nmemb, size_t __size, __compar_fn_t __compar)
| ^~~~~~
/usr/include/stdlib.h:821:9: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:821:25: error: unknown type name 'size_t'
821 | size_t __nmemb, size_t __size, __compar_fn_t __compar)
| ^~~~~~
/usr/include/stdlib.h:821:25: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
In file included from /usr/include/stdlib.h:825,
from code1.c:2:
/usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h:20:49: error: unknown type name 'size_t'
20 | bsearch (const void *__key, const void *__base, size_t __nmemb, size_t __size,
| ^~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h:1:1: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
+++ |+#include <stddef.h>
1 | /* Perform binary search - inline version.
/usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h:20:65: error: unknown type name 'size_t'
20 | bsearch (const void *__key, const void *__base, size_t __nmemb, size_t __size,
| ^~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h:20:65: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
In file included from code1.c:2:
/usr/include/stdlib.h:830:34: error: unknown type name 'size_t'
830 | extern void qsort (void *__base, size_t __nmemb, size_t __size,
| ^~~~~~
/usr/include/stdlib.h:830:34: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:830:50: error: unknown type name 'size_t'
830 | extern void qsort (void *__base, size_t __nmemb, size_t __size,
| ^~~~~~
/usr/include/stdlib.h:830:50: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:904:6: error: unknown type name 'size_t'
904 | size_t __len) __THROW __nonnull ((3, 4, 5));
| ^~~~~~
/usr/include/stdlib.h:904:6: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:907:6: error: unknown type name 'size_t'
907 | size_t __len) __THROW __nonnull ((3, 4, 5));
| ^~~~~~
/usr/include/stdlib.h:907:6: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:911:31: error: unknown type name 'size_t'
911 | char *__restrict __buf, size_t __len)
| ^~~~~~
/usr/include/stdlib.h:911:31: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:915:31: error: unknown type name 'size_t'
915 | char *__restrict __buf, size_t __len)
| ^~~~~~
/usr/include/stdlib.h:915:31: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:922:36: error: unknown type name 'size_t'
922 | extern int mblen (const char *__s, size_t __n) __THROW;
| ^~~~~~
/usr/include/stdlib.h:922:36: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:926:34: error: unknown type name 'size_t'
926 | const char *__restrict __s, size_t __n) __THROW;
| ^~~~~~
/usr/include/stdlib.h:926:34: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:933:8: error: unknown type name 'size_t'
933 | extern size_t mbstowcs (wchar_t *__restrict __pwcs,
| ^~~~~~
/usr/include/stdlib.h:934:32: error: unknown type name 'size_t'
934 | const char *__restrict __s, size_t __n) __THROW;
| ^~~~~~
/usr/include/stdlib.h:934:32: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/stdlib.h:936:8: error: unknown type name 'size_t'
936 | extern size_t wcstombs (char *__restrict __s,
| ^~~~~~
/usr/include/stdlib.h:937:38: error: unknown type name 'size_t'
937 | const wchar_t *__restrict __pwcs, size_t __n)
| ^~~~~~
/usr/include/stdlib.h:937:38: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
In file included from /usr/include/stdlib.h:1017,
from code1.c:2:
/usr/include/x86_64-linux-gnu/bits/stdlib.h:25:9: error: unknown type name 'size_t'
25 | size_t __resolvedlen) __THROW __wur;
| ^~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:1:1: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
+++ |+#include <stddef.h>
1 | /* Checking macros for stdlib functions.
In file included from /usr/include/features.h:461,
from /usr/include/x86_64-linux-gnu/bits/libc-header-start.h:33,
from /usr/include/stdlib.h:25,
from code1.c:2:
/usr/include/x86_64-linux-gnu/bits/stdlib.h:29:14: error: unknown type name 'size_t'
29 | extern char *__REDIRECT_NTH (__realpath_chk_warn,
| ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:29:14: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
In file included from /usr/include/stdlib.h:1017,
from code1.c:2:
/usr/include/x86_64-linux-gnu/bits/stdlib.h: In function 'realpath':
/usr/include/x86_64-linux-gnu/bits/stdlib.h:39:30: error: 'size_t' undeclared (first use in this function)
39 | if (__bos (__resolved) != (size_t) -1)
| ^~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:39:30: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/x86_64-linux-gnu/bits/stdlib.h:39:30: note: each undeclared identifier is reported only once for each function it appears in
/usr/include/x86_64-linux-gnu/bits/stdlib.h: At top level:
/usr/include/x86_64-linux-gnu/bits/stdlib.h:52:52: error: unknown type name 'size_t'
52 | extern int __ptsname_r_chk (int __fd, char *__buf, size_t __buflen,
| ^~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:52:52: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/x86_64-linux-gnu/bits/stdlib.h:53:8: error: unknown type name 'size_t'
53 | size_t __nreal) __THROW __nonnull ((2));
| ^~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:53:8: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
In file included from /usr/include/features.h:461,
from /usr/include/x86_64-linux-gnu/bits/libc-header-start.h:33,
from /usr/include/stdlib.h:25,
from code1.c:2:
/usr/include/x86_64-linux-gnu/bits/stdlib.h:54:12: error: unknown type name 'size_t'
54 | extern int __REDIRECT_NTH (__ptsname_r_alias, (int __fd, char *__buf,
| ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:54:12: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/x86_64-linux-gnu/bits/stdlib.h:57:12: error: unknown type name 'size_t'
57 | extern int __REDIRECT_NTH (__ptsname_r_chk_warn,
| ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:57:12: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/x86_64-linux-gnu/bits/stdlib.h:57:12: error: unknown type name 'size_t'
57 | extern int __REDIRECT_NTH (__ptsname_r_chk_warn,
| ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:57:12: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/x86_64-linux-gnu/bits/stdlib.h:64:1: error: unknown type name 'size_t'
64 | __NTH (ptsname_r (int __fd, char *__buf, size_t __buflen))
| ^~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:64:1: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
In file included from /usr/include/stdlib.h:1017,
from code1.c:2:
/usr/include/x86_64-linux-gnu/bits/stdlib.h:77:54: error: unknown type name 'size_t'
77 | extern int __wctomb_chk (char *__s, wchar_t __wchar, size_t __buflen)
| ^~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:77:54: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/x86_64-linux-gnu/bits/stdlib.h: In function 'wctomb':
/usr/include/x86_64-linux-gnu/bits/stdlib.h:92:23: error: 'size_t' undeclared (first use in this function)
92 | if (__bos (__s) != (size_t) -1 && __STDLIB_MB_LEN_MAX > __bos (__s))
| ^~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:92:23: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/x86_64-linux-gnu/bits/stdlib.h: At top level:
/usr/include/x86_64-linux-gnu/bits/stdlib.h:98:8: error: unknown type name 'size_t'
98 | extern size_t __mbstowcs_chk (wchar_t *__restrict __dst,
| ^~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:100:10: error: unknown type name 'size_t'
100 | size_t __len, size_t __dstlen) __THROW;
| ^~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:100:10: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/x86_64-linux-gnu/bits/stdlib.h:100:24: error: unknown type name 'size_t'
100 | size_t __len, size_t __dstlen) __THROW;
| ^~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:100:24: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/x86_64-linux-gnu/bits/stdlib.h:101:8: error: unknown type name 'size_t'
101 | extern size_t __REDIRECT_NTH (__mbstowcs_alias,
| ^~~~~~
In file included from /usr/include/features.h:461,
from /usr/include/x86_64-linux-gnu/bits/libc-header-start.h:33,
from /usr/include/stdlib.h:25,
from code1.c:2:
/usr/include/x86_64-linux-gnu/bits/stdlib.h:101:15: error: unknown type name 'size_t'
101 | extern size_t __REDIRECT_NTH (__mbstowcs_alias,
| ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:101:15: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
In file included from /usr/include/stdlib.h:1017,
from code1.c:2:
/usr/include/x86_64-linux-gnu/bits/stdlib.h:105:8: error: unknown type name 'size_t'
105 | extern size_t __REDIRECT_NTH (__mbstowcs_chk_warn,
| ^~~~~~
In file included from /usr/include/features.h:461,
from /usr/include/x86_64-linux-gnu/bits/libc-header-start.h:33,
from /usr/include/stdlib.h:25,
from code1.c:2:
/usr/include/x86_64-linux-gnu/bits/stdlib.h:105:15: error: unknown type name 'size_t'
105 | extern size_t __REDIRECT_NTH (__mbstowcs_chk_warn,
| ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:105:15: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/x86_64-linux-gnu/bits/stdlib.h:105:15: error: unknown type name 'size_t'
105 | extern size_t __REDIRECT_NTH (__mbstowcs_chk_warn,
| ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:105:15: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
/usr/include/x86_64-linux-gnu/bits/stdlib.h:113:1: error: expected ',' or ';' before 'mbstowcs'
113 | __NTH (mbstowcs (wchar_t *__restrict __dst, const char *__restrict __src,
| ^~~~~
In file included from /usr/include/stdlib.h:1017,
from code1.c:2:
/usr/include/x86_64-linux-gnu/bits/stdlib.h:130:15: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__wcstombs_chk'
130 | extern size_t __wcstombs_chk (char *__restrict __dst,
| ^~~~~~~~~~~~~~
In file included from /usr/include/features.h:461,
from /usr/include/x86_64-linux-gnu/bits/libc-header-start.h:33,
from /usr/include/stdlib.h:25,
from code1.c:2:
/usr/include/x86_64-linux-gnu/bits/stdlib.h:133:15: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__wcstombs_alias'
133 | extern size_t __REDIRECT_NTH (__wcstombs_alias,
| ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:137:15: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__wcstombs_chk_warn'
137 | extern size_t __REDIRECT_NTH (__wcstombs_chk_warn,
| ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/stdlib.h:144:1: error: expected ',' or ';' before 'wcstombs'
144 | __NTH (wcstombs (char *__restrict __dst, const wchar_t *__restrict __src,
| ^~~~~
code1.c: In function 'append':
code1.c:20:23: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
20 | if (o >= 2 && (o & o - 1) == 0)
| ~~^~~
code1.c:21:19: warning: implicit declaration of function 'realloc' [-Wimplicit-function-declaration]
21 | ej[i] = (int *) realloc(ej[i], o * 2 * sizeof *ej[i]);
| ^~~~~~~
code1.c:21:19: warning: incompatible implicit declaration of built-in function 'realloc'
code1.c:3:1: note: include '<stdlib.h>' or provide a declaration of 'realloc'
2 | #include <stdlib.h>
+++ |+#include <stdlib.h>
3 |
code1.c: In function 'pus':
code1.c:67:6: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
67 | if (z = lz1[u]) {
| ^
code1.c:76:6: warning: suggest
