Submission #54211

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
54211	2018-07-02 19:46:56	baactree	Pyramid Base (IOI08_pyramid_base)	C++17	70 / 100	5100 ms	71492 KiB

pyramid_base

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll tree[1 << 21][2];
const ll inf = 0x3f3f3f3f3f3f3f3f;
void push(int nodele, int noderi, int node) {
  tree[node][0] += tree[node][1];
  if (nodele != noderi) {
    tree[node * 2][1] += tree[node][1];
    tree[node * 2 + 1][1] += tree[node][1];
  }
  tree[node][1] = 0;
}
void update(int le, int ri, ll val, int nodele, int noderi, int node) {
  if (tree[node][1])push(nodele, noderi, node);
  if (le > noderi || ri < nodele)return;
  if (le <= nodele && noderi <= ri) {
    tree[node][1] = val;
    push(nodele, noderi, node);
    return;
  }
  int mid = (nodele + noderi) / 2;
  update(le, ri, val, nodele, mid, node * 2);
  update(le, ri, val, mid + 1, noderi, node * 2 + 1);
  tree[node][0] = min(tree[node * 2][0], tree[node * 2 + 1][0]);
}
ll query(int le, int ri, int nodele, int noderi, int node) {
  if (tree[node][1])push(nodele, noderi, node);
  if (le > noderi || ri < nodele)return inf;
  if (le <= nodele && noderi <= ri)return tree[node][0];
 
 
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Compilation message (stderr)

pyramid_base.cpp: In function 'int main()':
pyramid_base.cpp:63:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d%d", &n, &m, &b, &p);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
pyramid_base.cpp:66:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d%d%d", &x1, &y1, &x2, &y2, &c);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
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• Subtask 15: 0 / 10