#include <stdio.h>
#define N 200000
#define N_ (1 << 18) /* N_ = pow2(ceil(log2(N))) */
#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; }
long long stmn0[N_ * 2], stmn1[N_ * 2], stmx0[N_ * 2], stmx1[N_ * 2], lz[N_ * 2]; int h_, n_;
void put(int i, long long x) {
long long tmp;
if (stmn0[i] != INF)
stmn0[i] += x;
if (stmx0[i] != -1)
stmx0[i] += x;
if (stmn1[i] != INF)
stmn1[i] += x;
if (stmx1[i] != -1)
stmx1[i] += x;
if (x % 2 != 0) {
tmp = stmn0[i], stmn0[i] = stmn1[i], stmn1[i] = tmp;
tmp = stmx0[i], stmx0[i] = stmx1[i], stmx1[i] = tmp;
}
lz[i] += x;
}
void pul(int i) {
int l = i << 1, r = l | 1;
long long tmp;
stmn0[i] = min(stmn0[l], stmn0[r]), stmx0[i] = max(stmx0[l], stmx0[r]);
stmn1[i] = min(stmn1[l], stmn1[r]), stmx1[i] = max(stmx1[l], stmx1[r]);
if (stmn0[i] != INF)
stmn0[i] += lz[i];
if (stmx0[i] != -1)
stmx0[i] += lz[i];
if (stmn1[i] != INF)
stmn1[i] += lz[i];
if (stmx1[i] != -1)
stmx1[i] += lz[i];
if (lz[i] % 2 != 0) {
tmp = stmn0[i], stmn0[i] = stmn1[i], stmn1[i] = tmp;
tmp = stmx0[i], stmx0[i] = stmx1[i], stmx1[i] = tmp;
}
}
void pull(int i) {
while (i > 1)
pul(i >>= 1);
}
void build(int *aa, int n) {
int i, a;
h_ = 0;
while (1 << h_ < n)
h_++;
n_ = 1 << h_;
for (i = 0; i < n_; i++) {
a = i < n ? aa[i] : 0;
if (a % 2 == 0)
stmn0[n_ + i] = a, stmx0[n_ + i] = a, stmn1[n_ + i] = INF, stmx1[n_ + i] = -1;
else
stmn0[n_ + i] = INF, stmx0[n_ + i] = -1, stmn1[n_ + i] = a, stmx1[n_ + i] = a;
}
for (i = n_ - 1; i > 0; i--)
pul(i);
}
void update(int l, int r, int x) {
int l_ = l += n_, r_ = r += n_;
for ( ; l <= r; l >>= 1, r >>= 1) {
if ((l & 1) == 1)
put(l++, x);
if ((r & 1) == 0)
put(r--, x);
}
pull(l_), pull(r_);
}
void query(int l, int r, long long *x, long long *y) {
*x = INF, *y = -1;
for (l += n_, r += n_; l <= r; l >>= 1, r >>= 1) {
if ((l & 1) == 1)
*x = min(*x, stmn0[l]), *y = max(*y, stmx1[l]), l++;
if ((r & 1) == 0)
*x = min(*x, stmn0[r]), *y = max(*y, stmx1[r]), r--;
}
}
int main() {
static int aa[N];
int n, q, i;
scanf("%d", &n);
for (i = 0; i < n; i++)
scanf("%d", &aa[i]);
build(aa, n);
scanf("%d", &q);
while (q--) {
int t, l, r;
long long x, y;
scanf("%d%d%d", &t, &l, &r), l--, r--;
if (t == 0) {
scanf("%lld", &x);
update(l, r, x);
} else {
query(l, r, &x, &y);
if (x == INF)
x = -1;
printf("%lld %lld\n", x, y);
}
}
return 0;
}
Compilation message
subway.c: In function 'main':
subway.c:99:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
99 | scanf("%d", &n);
| ^~~~~~~~~~~~~~~
subway.c:101:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
101 | scanf("%d", &aa[i]);
| ^~~~~~~~~~~~~~~~~~~
subway.c:103:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
103 | scanf("%d", &q);
| ^~~~~~~~~~~~~~~
subway.c:108:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
108 | scanf("%d%d%d", &t, &l, &r), l--, r--;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
subway.c:110:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
110 | scanf("%lld", &x);
| ^~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
4 ms |
8540 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
56 ms |
18768 KB |
Output is correct |
| 2 |
Correct |
128 ms |
22008 KB |
Output is correct |
| 3 |
Correct |
119 ms |
21864 KB |
Output is correct |
| 4 |
Correct |
113 ms |
22000 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
4 ms |
8540 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
