QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#611960 | #6836. A Plus B Problem | wangcq | AC ✓ | 1450ms | 84468kb | C++23 | 5.0kb | 2024-10-05 00:40:13 | 2024-10-05 00:40:14 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
const int N = 1000010;
typedef long long ll;
typedef pair<int, int> pii;
std::mt19937 rng {std::chrono::steady_clock::now().time_since_epoch().count()};
template <typename T>
void debug(T x) {
cerr << x << '\n';
}
template <typename T, typename... Args>
void debug(T x, Args... args) {
cerr << x << ' ';
debug(args...);
}
int tmp[N];
struct node {
int l, r, len;
int val;
int r0, r9;
int lz0, lz9;
} tr[N * 4];
void change(int u) {
tr[u].r0 = tr[u].r9 = 0;
if (tr[u].val == 0) tr[u].r0 = 1;
else if (tr[u].val == 9) tr[u].r9 = 1;
}
void pushup(node &t, node &le, node &ri) {
t.r0 = (ri.r0 + (ri.r0 == ri.len ? le.r0 : 0));
t.r9 = (ri.r9 + (ri.r9 == ri.len ? le.r9 : 0));
}
void pushup(int u) {
pushup(tr[u], tr[u << 1], tr[u << 1 | 1]);
}
void build(int u, int l, int r) {
tr[u] = {l, r, r - l + 1, 0, 0, 0, 0, 0};
if (l == r) {
tr[u].val = tmp[l];
change(u);
return ;
}
int mid = l + r >> 1;
build(u << 1, l, mid);
build(u << 1 | 1, mid + 1, r);
pushup(u);
}
void change0(node &t) {
t.lz0 = 1; t.lz9 = 0;
t.r0 = t.len;
t.r9 = 0;
t.val = 0;
}
void change9(node &t) {
t.lz0 = 0; t.lz9 = 1;
t.r9 = t.len;
t.r0 = 0;
t.val = 9;
}
void pushdown(int u) {
if (tr[u].lz0) {
change0(tr[u << 1]);
change0(tr[u << 1 | 1]);
tr[u].lz0 = 0;
} else if (tr[u].lz9) {
change9(tr[u << 1]);
change9(tr[u << 1 | 1]);
tr[u].lz9 = 0;
}
}
int fval(int u, int x) {
if (tr[u].l == x && tr[u].r == x) {
return tr[u].val;
} else {
pushdown(u);
int mid = tr[u].l + tr[u].r >> 1;
if (x <= mid) return fval(u << 1, x);
else return fval(u << 1 | 1, x);
}
}
void modify(int u, int x, int c) {
if (tr[u].l == x && tr[u].r == x) {
tr[u].val = (tr[u].val + c + 10) % 10;
change(u);
return ;
}
pushdown(u);
int mid = tr[u].l + tr[u].r >> 1;
if (x <= mid) modify(u << 1, x, c);
else modify(u << 1 | 1, x, c);
pushup(u);
}
int get (int p, int r, int w){
if (!r) return 0;
if (tr[p].r <= r) {
if (w == 0) return tr[p].r0;
return tr[p].r9;
}
pushdown(p);
int mid = (tr[p].l + tr[p].r) >> 1;
if(r <= mid) return get(p << 1, r, w);
else {
int x = get(p << 1 | 1, r, w);
if (x == r - mid) x += get(p << 1, r, w);
return x;
}
}
void tp(int u, int l, int r, int w) {
if (tr[u].l >= l && tr[u].r <= r) {
if (w == 0) {
change0(tr[u]);
} else {
change9(tr[u]);
}
return ;
}
pushdown(u);
int mid = tr[u].l + tr[u].r >> 1;
if (l <= mid) tp(u << 1, l, r, w);
if (r > mid) tp(u << 1 | 1, l, r, w);
pushup(u);
}
void solve() {
int n, q;
cin >> n >> q;
string s1, s2;
cin >> s1 >> s2; s1 = ' ' + s1; s2 = ' ' + s2;
vector<int> a(n + 1), b(n + 1);
for (int i = 1; i <= n; i ++ ) {
a[i] = s1[i] - '0';
b[i] = s2[i] - '0';
}
for (int i = n; i >= 1; i -- ) {
int tt = (s1[i] - '0') + (s2[i] - '0');
tmp[i - 1] += ((tt + tmp[i]) / 10);
tmp[i] = (tmp[i] + tt) % 10;
}
build(1, 1, n);
while (q -- ) {
int r, c, d;
cin >> r >> c >> d;
int del = 0;
if (r == 1) {
del = d - a[c];
a[c] = d;
} else {
del = d - b[c];
b[c] = d;
}
int x = fval(1, c);
if (! del) cout << x << " 0" << '\n';
else if (del > 0) {
modify(1, c, del);
if (x + del >= 10) {
int cnt = get(1, c - 1, 9);
int idx = c - cnt - 1;
int ans = c - idx + 1;
if (idx == 0) ans --;
if (idx + 1 <= c - 1) tp(1, idx + 1, c - 1, 0);
if (idx) modify(1, idx, 1);
cout << fval(1, c) << ' ' << ans + 1 << '\n';
} else {
cout << fval(1, c) << ' ' << 2 << '\n';
}
} else if(del < 0) {
del = -del;
modify(1, c, -del);
if (x - del < 0) {
int cnt = get(1, c - 1, 0);
int idx = c - cnt - 1;
int ans = c - idx + 1;
if (idx == 0) ans --;
if (idx + 1 <= c - 1) tp(1, idx + 1, c - 1, 9);
if (idx) modify(1, idx, -1);
cout << fval(1, c) << ' ' << ans + 1 << '\n';
} else {
cout << fval(1, c) << ' ' << 2 << '\n';
}
}
}
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int T = 1;
// cin >> T;
while (T -- ) {
solve();
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3672kb
input:
5 5 01234 56789 2 1 0 2 2 1 2 3 2 2 4 3 2 5 4
output:
0 2 3 2 5 3 7 3 8 3
result:
ok 5 lines
Test #2:
score: 0
Accepted
time: 0ms
memory: 3796kb
input:
1 1 1 1 1 1 9
output:
0 2
result:
ok single line: '0 2'
Test #3:
score: 0
Accepted
time: 217ms
memory: 3572kb
input:
10 1000000 6869373857 3130626142 1 9 2 1 10 0 2 7 6 1 1 0 1 7 6 2 10 4 2 3 9 2 4 2 2 4 4 2 7 0 1 2 4 1 9 8 1 3 7 1 7 1 1 1 5 2 1 6 1 3 5 2 5 8 2 6 5 1 6 3 1 3 8 2 4 2 2 6 3 2 2 6 1 10 9 2 1 1 2 5 4 1 1 8 2 4 0 1 9 1 1 1 8 2 4 2 2 9 2 1 10 3 1 8 9 1 4 6 2 3 0 1 1 6 1 7 1 1 10 9 2 4 4 2 5 9 2 1 8 1 9 ...
output:
6 2 2 2 9 0 3 2 2 8 4 2 6 2 2 2 4 2 6 5 6 3 2 4 7 2 2 2 8 2 1 2 5 2 1 3 2 3 8 3 8 2 2 2 6 2 1 3 3 3 7 2 7 3 0 2 9 3 6 4 0 0 1 3 4 2 7 3 0 3 8 3 8 3 8 2 2 0 3 3 0 3 2 3 5 2 9 2 4 2 8 2 3 3 5 3 3 2 5 0 4 2 3 2 1 2 4 2 7 3 0 2 5 2 6 2 0 3 4 2 4 2 3 2 5 3 6 3 3 0 8 2 9 3 9 3 1 2 1 4 7 2 5 2 5 2 4 0 0 2 ...
result:
ok 1000000 lines
Test #4:
score: 0
Accepted
time: 226ms
memory: 3576kb
input:
10 1000000 8702774998 9088637390 1 3 3 2 4 7 1 4 0 1 6 7 1 1 1 1 4 0 2 3 8 1 7 7 2 4 5 2 4 2 1 8 2 2 6 7 1 1 2 1 1 4 1 10 3 1 2 3 1 2 5 1 4 8 1 6 5 1 9 8 1 1 9 1 2 1 1 8 5 1 8 3 1 7 1 1 9 7 1 10 7 1 8 5 1 5 1 2 6 4 1 6 1 2 10 2 1 10 5 2 10 1 1 9 3 2 2 0 1 1 0 1 6 6 2 2 5 2 4 4 2 5 6 2 7 4 1 2 5 2 4 ...
output:
2 3 0 2 8 3 1 0 0 2 8 0 1 0 5 2 6 2 3 2 6 3 5 2 1 2 3 2 3 2 4 2 6 2 1 3 3 2 7 2 8 2 2 2 9 2 7 2 8 3 6 2 7 2 9 2 8 3 9 3 5 2 9 2 7 2 6 2 2 2 2 0 9 2 0 3 7 2 2 2 8 0 5 2 1 3 0 2 2 3 3 2 0 2 3 3 2 2 0 2 2 0 5 2 1 2 3 2 4 3 6 0 6 2 2 2 1 2 6 3 0 2 7 2 7 3 4 0 3 2 8 2 3 2 4 0 8 3 8 2 4 2 5 2 5 2 5 2 7 2 ...
result:
ok 1000000 lines
Test #5:
score: 0
Accepted
time: 228ms
memory: 3776kb
input:
10 1000000 6869373857 3130626142 1 3 2 1 8 6 1 8 8 1 3 6 1 1 6 1 1 6 2 5 3 2 5 6 2 4 2 2 5 7 2 5 6 2 4 0 2 5 0 2 5 6 1 3 7 1 3 6 2 7 0 2 1 6 2 1 3 2 7 6 2 5 8 2 6 6 2 5 2 2 5 8 2 3 3 2 2 1 2 2 1 2 3 3 2 4 0 2 5 4 2 5 8 2 4 0 2 6 2 2 1 2 2 1 3 1 1 8 2 3 9 2 3 3 1 1 6 2 5 6 2 7 7 1 4 6 1 1 2 1 1 6 1 4...
output:
5 2 7 2 9 2 9 2 9 0 9 0 6 2 9 2 1 5 0 3 9 3 9 5 3 2 9 2 0 4 9 4 3 2 2 2 9 2 9 2 1 6 3 3 6 6 2 6 0 0 0 0 0 0 0 0 0 0 8 6 2 6 0 0 9 3 9 2 0 2 2 2 6 2 0 2 0 2 9 6 0 8 7 5 5 2 9 2 0 5 9 8 5 2 3 5 5 2 9 2 9 5 9 2 8 2 9 2 7 2 9 2 3 10 8 3 0 3 9 10 8 2 5 2 2 4 6 2 4 4 6 3 3 3 9 3 3 2 5 4 7 2 6 2 8 2 1 3 9 ...
result:
ok 1000000 lines
Test #6:
score: 0
Accepted
time: 236ms
memory: 3684kb
input:
10 1000000 6869373857 3130626142 1 9 6 1 9 5 1 10 8 1 10 7 2 7 8 2 7 6 1 6 8 1 6 7 1 7 8 1 7 3 2 10 4 2 10 2 2 8 3 2 8 1 2 9 7 2 9 4 2 9 9 2 9 4 2 7 7 2 7 6 1 7 4 1 7 3 1 9 6 1 9 5 1 8 9 1 8 8 1 7 5 1 7 3 1 6 9 1 6 7 2 6 8 2 6 2 1 8 9 1 8 8 2 10 6 2 10 2 2 6 9 2 6 2 1 6 9 1 6 7 1 8 9 1 8 8 2 9 7 2 9...
output:
0 10 9 10 0 11 9 11 1 8 9 8 0 7 9 7 4 8 9 8 1 11 9 11 1 9 9 9 2 10 9 10 4 10 9 10 0 8 9 8 0 8 9 8 0 10 9 10 0 9 9 9 1 8 9 8 1 7 9 7 5 7 9 7 0 9 9 9 3 11 9 11 6 7 9 7 1 7 9 7 0 9 9 9 2 10 9 10 2 7 9 7 1 8 9 8 1 11 9 11 4 7 9 7 5 11 9 11 0 7 9 7 0 10 9 10 1 10 9 10 0 7 9 7 2 10 9 10 2 10 9 10 1 11 9 1...
result:
ok 1000000 lines
Test #7:
score: 0
Accepted
time: 1301ms
memory: 83828kb
input:
1000000 1000000 68693738574822907668000669943297325347608140886272616051068251483556534289323531160993017440087302814083329820936792365202060610991343493080865626095241885616863256382251749215319751373247876361270911203617554820406029584474249635378527788208607403822974202545637490373196507887743784...
output:
4 2 6 2 4 2 5 2 7 97772 8 2 0 140233 6 2 5 2 1 2 1 70008 8 2 1 987 0 138405 5 2 6 138113 1 121002 2 35285 4 2 0 2 3 25467 5 2 8 2 4 5543 6 2 1 3862 8 2 3 107304 6 81700 0 0 2 2 0 0 0 15551 5 14120 3 4872 7 2 0 0 6 58933 6 2 9 7954 4 2 4 2 3 63166 0 0 8 38562 1 349 6 10624 3 2 3 2 4 2 8 65159 4 21435...
result:
ok 1000000 lines
Test #8:
score: 0
Accepted
time: 1450ms
memory: 84128kb
input:
1000000 1000000 61693798575862907668150369943297325385708140884272416052068257423550554279326571150943024493087202814853321120702792765522060610138341594081829639894344885616853227782222149213319781393275876306231911209117574815406667384452247691376587753208747407802994802745837490373194507888042646...
output:
9 6 6 4 0 3 0 2 6 2 4 2 9 3 2 3 1 6 3 2 2 2 9 4 0 5 4 2 9 4 0 2 9 3 9 2 6 2 8 0 7 3 8 5 0 0 4 4 9 3 9 3 0 3 4 3 9 2 5 2 9 3 0 0 6 3 1 7 0 3 9 0 0 0 9 2 3 2 0 2 9 3 5 2 6 0 1 2 5 2 9 3 2 0 1 2 9 9 0 3 3 6 9 0 9 3 1 5 0 0 9 2 8 3 0 3 0 2 0 3 1 2 9 2 9 3 0 2 6 3 0 3 9 2 9 2 0 3 3 2 0 3 0 4 6 2 0 2 6 3 ...
result:
ok 1000000 lines
Test #9:
score: 0
Accepted
time: 1163ms
memory: 84468kb
input:
1000000 1000000 68693738574822907668000669943297325347608140886272616051068251483556534289323531160993017440087302814083329820936792365202060610991343493080865626095241885616863256382251749215319751373247876361270911203617554820406029584474249635378527788208607403822974202545637490373196507887743784...
output:
3 958194 6 349300 6 259789 4 2 1 77093 6 2 9 2 8 2 9 2 5 133811 5 2 0 8254 9 0 9 0 9 8254 9 2 4 5608 4 2 3 328452 6 97720 7 8629 0 0 7 13938 9 113207 0 113207 4 2 0 0 4 2 9 2 1 2 6 2 9 2 0 2 0 0 1 2 0 2 0 2 4 2808 9 2808 0 13938 2 206652 0 206652 9 115835 0 115835 0 0 2 2 9 2 2 2 3 2 0 2 0 2 9 8629 ...
result:
ok 1000000 lines
Test #10:
score: 0
Accepted
time: 1105ms
memory: 82460kb
input:
1000000 1000000 68693738574822907668000669943297325347608140886272616051068251483556534289323531160993017440087302814083329820936792365202060610991343493080865626095241885616863256382251749215319751373247876361270911203617554820406029584474249635378527788208607403822974202545637490373196507887743784...
output:
0 832279 9 832279 9 0 9 0 0 754544 9 754544 1 609087 9 609087 4 930049 9 930049 0 809411 9 809411 0 749318 9 749318 0 582458 9 582458 9 0 9 0 0 868657 9 868657 9 0 9 0 2 707359 9 707359 1 869642 9 869642 0 568452 9 568452 0 735732 9 735732 2 568160 9 568160 0 551049 9 551049 1 535285 9 535285 0 8651...
result:
ok 1000000 lines