Submission #154453

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
154453	2019-09-22 00:25:27	crackersamdjam	Rectangles (IOI19_rect)	C++14	100 / 100	3376 ms	737556 KiB

rect

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#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse4,popcnt,abm,mmx,tune=native")
#include <bits/stdc++.h>
const int MM = 2502;
int n, m, ans, stl, vecl;
int first[MM], last[MM], bit[MM];
std::pair<int, int> st[MM], vec[MM];
std::vector<std::pair<int, int>> hor[MM][MM], vert[MM][MM];
inline void update(int i, int v){
    for(; i < MM; i += i&-i)
        bit[i] += v;
}
inline int query(int i){
    int ret = 0;
    for(; i; i -= i&-i)
        ret += bit[i];
    return ret;
}
long long count_rectangles(std::vector<std::vector<int>> a){
    n = a.size(), m = a[0].size();
    
    for(int i = 0; i < n; i++){
        stl = 0;
        for(int j = 0; j < m; j++){
 
 
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Compilation message (stderr)

rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:88:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             while(l < vert[i][j].size() && r < vert[i][j+1].size()){
                   ~~^~~~~~~~~~~~~~~~~~~
rect.cpp:88:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             while(l < vert[i][j].size() && r < vert[i][j+1].size()){
                                            ~~^~~~~~~~~~~~~~~~~~~~~
rect.cpp:101:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             while(l < hor[i][j].size() && r < hor[i+1][j].size()){
                   ~~^~~~~~~~~~~~~~~~~~
rect.cpp:101:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             while(l < hor[i][j].size() && r < hor[i+1][j].size()){
                                           ~~^~~~~~~~~~~~~~~~~~~~
rect.cpp:123:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int k = 0; k < hor[i][j].size(); k++)
                            ~~^~~~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 7 / 7
• Subtask 3: 12 / 12
• Subtask 4: 22 / 22
• Subtask 5: 10 / 10
• Subtask 6: 13 / 13
• Subtask 7: 28 / 28