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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#876826 | #9986. Shiori | zhangmingzu | WA | 5460ms | 44100kb | C++14 | 3.6kb | 2025-01-31 13:37:43 | 2025-01-31 13:38:11 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int maxn = 5e5 + 5, blk = 1250;
int n, m, a[maxn], add[maxn], lt[maxn], rt[maxn], bel[maxn], cov[maxn];
long long sum[maxn];
bitset<maxn> bt[405];
void re(int x)
{
sum[x] = 0;
if (~cov[x]) for (int j = lt[x]; j <= rt[x]; j++) a[j] = cov[x];
cov[x] = -1;
bt[x].reset();
for (int j = lt[x]; j <= rt[x]; j++)
{
a[j] += add[x], sum[x] += a[j];
if (a[j] < n) bt[x].set(a[j]);
}
add[x] = 0;
}
bool check(int x, int l, int r)
{
int il = bel[l], ir = bel[r];
for (int i = l; i <= min(r, rt[il]); i++)
{
int tmp = a[i];
if (~cov[il]) tmp = cov[il];
tmp += add[il];
if (tmp == x) return 1;
}
if (il != ir)
for (int i = lt[ir]; i <= r; i++)
{
int tmp = a[i];
if (~cov[ir]) tmp = cov[ir];
tmp += add[ir];
if (tmp == x) return 1;
}
for (int i = il + 1; i < ir; i++)
{
if (~cov[i])
{
if (x == add[i] + cov[i]) return 1;
}
else if (x >= add[i] && bt[i][x - add[i]]) return 1;
}
return 0;
}
signed main()
{
// freopen("1.in", "r", stdin);
ios::sync_with_stdio(0);
cin.tie(0), cout.tie(0);
cin >> n >> m;
memset(cov, -1, sizeof(cov));
for (int i = 1; i <= n; i++) cin >> a[i];
for (int i = 1; i <= n; i += blk)
{
int l = i, r = min(n, i + blk - 1), id = (i - 1) / blk + 1;
lt[id] = l, rt[id] = r;
for (int j = l; j <= r; j++)
{
if (a[j] < n) bt[id].set(a[j]);
bel[j] = id;
}
}
while (m--)
{
int op, l, r, v;
cin >> op >> l >> r;
int il = bel[l], ir = bel[r];
if (op == 1)
{
cin >> v;
if (il == ir)
{
for (int i = lt[il]; i <= rt[il]; i++)
a[i] = (cov[il] == -1 ? a[i] : cov[il]) + add[il];
cov[il] = -1, add[il] = 0;
for (int i = l; i <= r; i++) a[i] = v;
re(il);
continue;
}
for (int i = il + 1; i < ir; i++)
{
cov[i] = v, add[i] = 0;
sum[i] = 1ll * v * (rt[i] - lt[i] + 1);
}
for (int i = lt[il]; i <= rt[il]; i++)
a[i] = (cov[il] == -1 ? a[i] : cov[il]) + add[il];
for (int i = lt[ir]; i <= rt[ir]; i++)
a[i] = (cov[ir] == -1 ? a[i] : cov[ir]) + add[ir];
cov[il] = cov[ir] = -1, add[il] = add[ir] = 0;
for (int i = l; i <= rt[il]; i++) a[i] = v;
for (int i = lt[ir]; i <= r; i++) a[i] = v;
sum[il] = sum[ir] = 0;
for (int i = lt[il]; i <= rt[il]; i++) sum[il] += a[i];
sum[il] = sum[ir] = 0;
for (int i = lt[ir]; i <= rt[ir]; i++) sum[ir] += a[i];
re(il), re(ir);
}
else if (op == 2)
{
int i;
for (i = 0; check(i, l, r); i++);
if (~cov[il])
{
for (int j = lt[il]; j <= rt[il]; j++)
a[j] = cov[il];
cov[il] = -1;
}
if (~cov[ir])
{
for (int j = lt[ir]; j <= rt[ir]; j++)
a[j] = cov[ir];
cov[ir] = -1;
}
for (int j = l; j <= min(r, rt[il]); j++)
a[j] += i, sum[j] += i;
re(il);
if (il != ir)
{
for (int j = lt[ir]; j <= r; j++)
a[j] += i, sum[j] += i;
re(ir);
}
for (int j = il + 1; j < ir; j++)
add[j] += i, sum[j] += 1ll * i * (rt[j] - lt[j] + 1);
}
else
{
long long ans = 0;
for (int i = il + 1; i < ir; i++)
ans += sum[i];
for (int i = l; i <= min(r, rt[il]); i++)
{
if (~cov[il]) ans += cov[il] + add[il];
else ans += a[i] + add[il];
}
if (il != ir)
for (int i = lt[ir]; i <= r; i++)
{
if (~cov[ir]) ans += cov[ir] + add[ir];
else ans += a[i] + add[ir];
}
cout << ans << '\n';
}
}
return 0;
}
/*
5 8
0 7 2 1 0
1 2 4 0
2 1 3
2 3 4
3 1 3
1 2 3 4
3 1 4
2 1 5
3 2 5
*/
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 16108kb
input:
5 8 0 7 2 1 0 1 2 4 0 2 1 3 2 3 4 3 1 3 1 2 3 4 3 1 4 2 1 5 3 2 5
output:
5 11 22
result:
ok 3 number(s): "5 11 22"
Test #2:
score: 0
Accepted
time: 0ms
memory: 15980kb
input:
1 1 0 1 1 1 0
output:
result:
ok 0 number(s): ""
Test #3:
score: 0
Accepted
time: 386ms
memory: 15980kb
input:
10 500000 0 0 0 0 0 0 0 0 0 0 3 2 9 2 4 10 2 2 7 2 7 9 3 1 1 3 5 8 1 5 10 0 3 1 9 3 5 9 2 2 4 1 2 4 0 2 5 6 3 8 8 1 4 6 0 1 6 6 0 2 4 10 3 1 9 3 5 7 1 4 10 0 3 6 9 3 2 6 2 1 8 1 5 9 0 3 7 8 3 4 8 2 4 8 2 5 8 2 1 9 2 3 8 1 5 10 0 2 4 8 3 1 6 2 1 4 2 3 7 3 4 10 1 4 6 0 1 1 6 0 2 3 7 1 1 1 0 2 1 10 1 5...
output:
0 0 10 7 0 0 6 3 0 0 0 1 25 12 10 0 0 0 0 17 23 1 20 2 11 27 26 2 18 2 2 0 0 0 2 4 1 0 0 0 7 2 0 4 32 15 7 11 0 4 5 2 8 5 1 6 0 7 0 7 6 3 2 5 0 0 0 7 14 2 5 0 2 0 0 6 12 6 0 2 3 0 0 1 16 12 1 1 12 0 3 4 4 10 3 16 0 17 2 4 0 0 16 8 2 8 18 23 2 24 4 12 7 4 14 5 0 2 8 4 16 10 6 4 21 15 1 3 3 0 2 5 0 2 ...
result:
ok 166844 numbers
Test #4:
score: 0
Accepted
time: 389ms
memory: 13936kb
input:
10 500000 0 0 0 0 0 0 0 0 0 0 2 9 10 1 1 3 0 1 1 2 0 2 2 4 3 8 8 2 6 6 2 5 6 3 2 9 2 4 4 1 2 6 0 2 5 7 1 2 10 0 3 1 4 3 1 10 1 6 7 0 1 1 1 0 1 3 9 0 3 4 7 3 2 8 1 6 9 0 1 3 5 0 1 5 10 0 3 2 5 1 2 9 0 1 7 8 0 2 5 10 3 2 3 2 5 5 2 8 9 3 1 6 2 2 6 2 3 6 3 4 5 1 1 6 0 1 1 5 0 3 3 8 3 2 9 3 3 7 1 2 10 0 ...
output:
0 9 0 0 0 0 0 0 2 5 2 3 1 0 5 7 1 0 1 3 20 1 23 13 7 14 6 19 0 2 1 2 1 1 0 1 2 2 3 1 0 0 12 28 20 0 0 0 0 0 1 0 1 1 0 2 21 6 9 2 5 10 0 0 0 1 2 1 0 0 0 1 1 0 3 0 2 0 2 0 2 2 2 0 8 3 2 1 0 2 12 4 2 0 0 6 0 9 3 15 0 0 6 0 14 11 6 0 5 4 4 26 11 8 7 7 10 0 4 6 2 4 4 6 4 7 0 3 6 4 20 3 17 14 18 14 9 13 8...
result:
ok 166636 numbers
Test #5:
score: -100
Wrong Answer
time: 5460ms
memory: 44100kb
input:
500000 500000 472024 143520 268267 155743 162119 212911 326774 283734 445407 353394 432929 138490 36366 247037 157063 203731 162782 54322 321700 39379 6459 358816 32001 245189 167252 460348 113630 85323 283872 285182 191285 487821 395892 328168 467455 469639 234067 325083 145477 450046 16029 142429 ...
output:
71434 2040073 0 5432967 4856153 2204 1000102 27244642 6476935 2817769 6321297 0 1187529 2134 9498260 2084 2681823 21686068 2490676 0 2661807 0 690198 18540166 0 9360769 6235737 313778 0 9648705 0 0 8514204 8822805 3211337 10302067 7544370 2240353 483384 0 55154 33327240 18370380
result:
wrong answer 6th numbers differ - expected: '0', found: '2204'