Submission #70616

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
70616	2018-08-23 07:39:11	octopuses	Alternating Current (BOI18_alternating)	C++17	0 / 100	3044 ms	4768 KiB

alternating

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//Giorgi Kldiashvili
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int N = 100020;
int n, m;
inline int dis(int x, int y)
{
  if(y < x)
    return n + y - x + 1;
  return y - x + 1;
}
vector < pair < int, int > > A[N];
int answer[N], S[N][2];
int main()
{
  scanf("%d %d", &n, &m);
  for(int i = 1; i <= m; ++ i)
  {
    int x, y;
    scanf("%d %d", &x, &y);
    A[x - 1].push_back(make_pair(dis(x, y), i));
 
 
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Compilation message (stderr)

alternating.cpp: In function 'int main()':
alternating.cpp:34:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int j = 0; j < A[i].size(); ++ j)
                    ~~^~~~~~~~~~~~~
alternating.cpp:25:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &n, &m);
   ~~~~~^~~~~~~~~~~~~~~~~
alternating.cpp:29:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &x, &y);
     ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 13
• Subtask 2: 0 / 20
• Subtask 3: 0 / 22
• Subtask 4: 0 / 19
• Subtask 5: 0 / 26