Submission #520448

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
520448	2022-01-30 02:58:21	qwerasdfzxcl	Pyramid Base (IOI08_pyramid_base)	C++14	40 / 100	1175 ms	142952 KiB

pyramid_base

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#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
struct Seg{
    int tree[2202000], lazy[2202000];
    void init(int i, int l, int r){
        tree[i] = lazy[i] = 0;
        if (l==r) return;
        int m = (l+r)>>1;
        init(i<<1, l, m); init(i<<1|1, m+1, r);
    }
    void propagate(int i, int l, int r){
        tree[i] += lazy[i];
        if (l!=r) lazy[i<<1] += lazy[i], lazy[i<<1|1] += lazy[i];
        lazy[i] = 0;
    }
    void update(int i, int l, int r, int s, int e, int x){
        propagate(i, l, r);
        if (r<s || e<l) return;
        if (s<=l && r<=e){
            lazy[i] += x;
            propagate(i, l, r);
            return;
        }
        int m = (l+r)>>1;
        update(i<<1, l, m, s, e, x);
        update(i<<1|1, m+1, r, s, e, x);
 
 
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Compilation message (stderr)

pyramid_base.cpp: In function 'int main()':
pyramid_base.cpp:133:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  133 |     scanf("%d %d %d", &m, &n, &B);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
pyramid_base.cpp:136:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  136 |     scanf("%d", &q);
      |     ~~~~~^~~~~~~~~~
pyramid_base.cpp:139:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  139 |         scanf("%d %d %d %d %d", &x1, &y1, &x2, &y2, &c);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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