Submission #313402

#	Time^UTC-0	Username	Problem	Language	Result	Execution time	Memory
313402	2020-10-15 23:57:23	Vince729	Election (BOI18_election)	C++11	0 / 100	178 ms	262148 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

election

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#include<iostream>
#include<cstdio>
#include<string>
#include<vector>
#include<cstring>
#include<algorithm>
using namespace std;
const int MAXN = 500002;
const int MOD = 1000000007;
struct node {
    int lmx, rmx, sum, ans;
    node operator+(node o) {
        node ret;
        ret.lmx = max(lmx, o.lmx+sum);
        ret.rmx = max(rmx+o.sum, o.rmx);
        ret.sum = sum+o.sum;
        ret.ans = max(max(ans+o.sum, sum+o.ans), lmx+o.rmx);
        return ret;
    }
};
int n, q;
bool votes[MAXN];
node st[4*MAXN];
void build(int l=1, int r=n, int x=1) {
    if (l == r) {
 
 
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Compilation message (stderr)

election.cpp: In function 'int main()':
election.cpp:52:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   52 |     freopen("elections.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
election.cpp:53:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   53 |     freopen("elections.out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask 10 / 28

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Subtask 30 / 18

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