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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 |
---|---|---|---|---|---|---|---|---|---|
#569741 | #9104. Zayin and Forest | SGColin# | AC ✓ | 392ms | 54824kb | C++17 | 1.3kb | 2024-09-17 09:57:11 | 2024-09-17 09:57:12 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
inline ll rd() {
ll x = 0;
bool f = 0;
char c = getchar();
for (; !isdigit(c); c = getchar()) f |= (c == '-');
for (; isdigit(c); c = getchar()) x = x * 10 + (c ^ 48);
return f ? -x : x;
}
#define eb emplace_back
#define all(s) (s).begin(), (s).end()
#define rep(i, a, b) for (int i = (a); i <= (b); ++i)
#define per(i, a, b) for (int i = (a); i >= (b); --i)
inline ll lowbit(ll x) {return x & -x;}
const int N = 10000007;
ll c[N];
inline void add(int pos, ll val) {
for (; pos < N; pos += lowbit(pos)) c[pos] += val;
}
inline ll sum(int pos) {
ll ret = 0;
for (; pos; pos -= lowbit(pos)) ret += c[pos];
return ret;
}
inline ll sum(int L, int R) {
return sum(R) - sum(L - 1);
}
int main() {
vector<ll> s;
vector<tuple<int, ll, ll>> q;
ll n = rd(), m = rd();
rep(i, 1, m) {
int op = rd();
ll l = rd(), r = rd();
q.eb(op, l, r);
if (op == 1) while (l <= n) {s.eb(l); l += lowbit(l);}
else {s.eb(l); s.eb(r);}
}
sort(all(s));
s.erase(unique(all(s)), s.end());
auto getv = [&](ll w) {
return lower_bound(all(s), w) - s.begin() + 1;
};
for (auto [op, L, R] : q) {
if (op == 1) {
while (L <= n) {
add(getv(L), R);
L += lowbit(L);
}
} else printf("%lld\n", sum(getv(L), getv(R)));
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 30ms
memory: 19264kb
input:
1000000000 20000 2 384578735 526547442 1 64211261 592970906 1 512065247 448267721 1 44993150 127180320 1 880319036 927623947 1 170536687 572121854 1 896600029 804033011 1 666246328 754201635 1 654066651 179982083 2 240989825 984888006 2 372004567 858916479 2 76127818 98606736 1 181794163 902842353 1...
output:
0 43148875202 17613404710 0 32808578044 28190043566 15641637055 78276219892 14955165236 20262224725 105057452192 17002492367 57916137452 27165464255 72766353838 39458327919 38294102627 264448717384 0 70928519548 279674530483 88885017175 111664599432 69703816663 211506104092 104120007714 34403738515 ...
result:
ok 6649 lines
Test #2:
score: 0
Accepted
time: 374ms
memory: 54824kb
input:
1000000000000000000 100000 1 384578735 526547442 1 64211261 592970906 1 512065247 448267721 1 44993150 127180320 1 880319036 927623947 1 170536687 572121854 1 896600029 804033011 2 666246328 931651408754201635 1 654066651 179982083 1 984888006 240989825 1 372004567 858916479 1 76127818 98606736 1 18...
output:
144205553442 497561506762 903930740555 878459229726 689906696633 859703313829 735231510045 1177875391120 1461659121798 1612314483744 2027462020547 1991476058156 2381861014705 2033973986301 2117738140401 2946661001323 2187638958334 2593068002437 1854182975909 2262561461341 3038788266419 3070435321746...
result:
ok 12561 lines
Test #3:
score: 0
Accepted
time: 392ms
memory: 51836kb
input:
1000000000000000000 100000 1 395661363384578735 526547442 1 843068846064211261 592970906 1 550209039512065247 448267721 1 79278526044993150 127180320 1 193676380880319036 927623947 1 81194098170536687 572121854 1 223947079896600029 804033011 2 921340893666246328 931651408754201635 1 3605022006540666...
output:
0 152171177084 261154456848 98759395571 132967101279 214003153997 109857765028 569583036989 221377921411 943235254745 1036051470108 1290577544766 795223506189 1251272020902 662604469794 907615793356 1786684858550 488655543368 1495388560030 1818589934911 151873013358 717984689394 2039336496945 378996...
result:
ok 12561 lines