Submission #525408

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
525408	2022-02-11 14:49:19	CPSC	Examination (JOI19_examination)	C++14	100 / 100	2150 ms	436092 KiB

examination

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# include <bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define pii pair <int, int> 
using namespace std;
const int N = 5e5 + 5;
int n,q,a[N],b[N],c[N],x[N],y[N],z[N],mx,id,cnt,cur,pas[N];
unordered_map <int, int> shes;
vector <int> tocomp;
unordered_map <int, int> compr[4*N];
vector <int> tree[4*N];
int mxxx[4*N];
vector < pii > vec[4*N],v,v1;
void updatefenw(int node, int idx, int val) {
    for (int i = idx; i <= vec[node].size(); i+=i&(-i)) {
        tree[node][i] += val;
    }
}
int getfenw(int node, int le, int ri) {
    int pas = 0;
    for (int i = ri; i > 0 ; i -= i&(-i)) {
        pas += tree[node][i];
    }
    for (int i = le - 1; i > 0; i-=i&(-i)) {
        pas -= tree[node][i];
    }
    return pas;
}
void update(int node, int le ,int ri, int idx, int val) {
 
 
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Compilation message (stderr)

examination.cpp: In function 'void updatefenw(int, int, int)':
examination.cpp:16:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     for (int i = idx; i <= vec[node].size(); i+=i&(-i)) {
      |                       ~~^~~~~~~~~~~~~~~~~~~
examination.cpp: At global scope:
examination.cpp:87:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   87 | main() {
      | ^~~~
examination.cpp: In function 'int main()':
examination.cpp:107:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  107 |     for (int i = 1; i < tocomp.size(); i++) {
      |                     ~~^~~~~~~~~~~~~~~
examination.cpp:121:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  121 |     for(int i = 0; i < v1.size(); i++) {
      |                    ~~^~~~~~~~~~~
examination.cpp:122:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  122 |         while (cur < v.size() && v[cur].f >= v1[i].f) {
      |                ~~~~^~~~~~~~~~
examination.cpp:131:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  131 |      for (int j = 0; j < vec[i].size(); j++) {
      |                      ~~^~~~~~~~~~~~~~~
examination.cpp:142:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  142 |     for(int i = 0; i < v1.size(); i++) {
      |                    ~~^~~~~~~~~~~
examination.cpp:143:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  143 |         while (cur < v.size() && v[cur].f >= v1[i].f) {
      |                ~~~~^~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 20 / 20
• Subtask 3: 21 / 21
• Subtask 4: 57 / 57