제출 #78877

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
78877	2018-10-09 12:22:16	bogdan10bos	Election (BOI18_election)	C++14	100 / 100	821 ms	123956 KiB

election

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#include <bits/stdc++.h>
using namespace std;
//#define FILE_IO
typedef pair<int, int> pii;
pii qry[500005];
int N, Q;
int sol[500005];
char s[500005];
vector<int> stv, queries[500005];
namespace BinaryIndexedTree
{
    int aib[500005];
    void update(int pos, int val)
    {
        for(; pos <= N; pos += (pos & (-pos)))
            aib[pos] += val;
    }
    int query(int pos)
    {
        int ans = 0;
        for(; pos > 0; pos -= (pos & (-pos)))
            ans += aib[pos];
        return ans;
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

election.cpp: In function 'int main()':
election.cpp:117:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d\n", &N);
     ~~~~~^~~~~~~~~~~~
election.cpp:118:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s", s + 1);
     ~~~~~^~~~~~~~~~~~~
election.cpp:121:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &Q);
     ~~~~~^~~~~~~~~~
election.cpp:125:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &st, &dr);
         ~~~~~^~~~~~~~~~~~~~~~~~

• Subtask 1: 28 / 28
• Subtask 2: 54 / 54
• Subtask 3: 18 / 18