Submission #387043

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
387043	2021-04-07 20:35:18	keko37	Road Construction (JOI21_road_construction)	C++14	13 / 100	7012 ms	41044 KiB

road_construction

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#include<bits/stdc++.h>
using namespace std;
typedef long long llint;
typedef pair <int, int> pi;
const int MAXN = 250005;
const int LOG = 18;
int n, k;
int x[MAXN], y[MAXN], sx[MAXN], sy[MAXN], fen[MAXN], ind[MAXN];
vector <llint> sazx, sazy, vx[MAXN], vy[MAXN], sol;
void ubaci (int x, int k) {
    for (x++; x < MAXN; x += x&-x) fen[x] += k;
}
int upit (int x) {
    int res = 0;
    for (x++; x > 0; x -= x&-x) res += fen[x];
    return res;
}
int kth (int br) {
    int pos = 0;
    for (int i = LOG - 1; i >= 0; i--) {
        if (pos + (1 << i) < MAXN && br > fen[pos + (1 << i)]) {
            pos += 1 << i;
            br -= fen[pos];
 
 
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Compilation message (stderr)

road_construction.cpp: In function 'void sazmi()':
road_construction.cpp:54:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |     for (int i = 0; i < sazx.size(); i++) {
      |                     ~~^~~~~~~~~~~~~
road_construction.cpp: In function 'llint calc(llint, bool)':
road_construction.cpp:69:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |     for (int i = 0; i < sazy.size(); i++) {
      |                     ~~^~~~~~~~~~~~~
road_construction.cpp:72:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |     for (int i = 0; i < sazx.size(); i++) {
      |                     ~~^~~~~~~~~~~~~
road_construction.cpp:93:46: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   93 |                     for (int br = ind[h]; br < vy[h].size(); br++) {
      |                                           ~~~^~~~~~~~~~~~~~
road_construction.cpp:95:61: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   95 |                         if (x[sus] > x[j] || x[sus] == x[j] && y[sus] >= y[j]) break;
      |                                              ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
road_construction.cpp:103:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  103 |     while (p < sazx.size()) {
      |            ~~^~~~~~~~~~~~~
road_construction.cpp: In function 'int main()':
road_construction.cpp:144:23: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  144 |     while (sol.size() < k) sol.push_back(len);
      |            ~~~~~~~~~~~^~~

• Subtask 1: 0 / 5
• Subtask 2: 6 / 6
• Subtask 3: 7 / 7
• Subtask 4: 0 / 20
• Subtask 5: 0 / 27
• Subtask 6: 0 / 35