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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#504471#9104. Zayin and ForestIllusionaryDominance#RE 594ms91768kbC++201.3kb2024-08-04 13:21:452024-08-04 13:21:48

Judging History

你现在查看的是最新测评结果

  • [2024-08-04 13:21:48]
  • 评测
  • 测评结果:RE
  • 用时:594ms
  • 内存:91768kb
  • [2024-08-04 13:21:45]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int MAX_N = 1e7;

ll N;
int M;
struct SegmentNode{
    int ls, rs;
    ll sum;
}node[MAX_N];
int rt, tot;

void segment_modify(int &i, ll l, ll r, ll x, int v) {
    i = i ? i : ++ tot;
    node[i].sum += v;
    if (l == r) return ;
    ll mid = l + r >> 1;
    mid < x ? segment_modify(node[i].rs, mid + 1, r, x, v) : segment_modify(node[i].ls, l, mid, x, v);
}

ll segment_query(int i, ll l, ll r, ll ql, ll qr) {
    if (!i) return 0;
    if (l < ql || r > qr) {
        ll sum = 0;
        ll mid = l + r >> 1;
        if (ql <= mid) sum = segment_query(node[i].ls, l, mid, ql, qr);
        if (mid < qr) sum += segment_query(node[i].rs, mid + 1, r, ql, qr);
        return sum;
    }else {
        return node[i].sum;
    }
}

int main() {
    scanf("%lld%d", &N, &M);
    for (int i = 1; i <= M; i ++) {
        int op;
        scanf("%d", &op);
        if (op == 1) {
            ll x; int v;
            scanf("%lld%d", &x, &v);
            for (ll j = x; j <= N; j += j & -j) segment_modify(rt, 1, N, j, v);
        }else {
            ll l, r;
            scanf("%lld%lld", &l, &r);
            printf("%lld\n", segment_query(rt, 1, N, l, r));
        }
    }
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 33ms
memory: 22800kb

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: 594ms
memory: 91768kb

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: -100
Runtime Error

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: