제출 #166870

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
166870	2019-12-04 13:02:22	Atill83	Zamjene (COCI16_zamjene)	C++14	126 / 140	6050 ms	141304 KiB

zamjene

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#include <cstdio>
#include <iostream>
#include <cstring>
#include <map>
#include <algorithm>
using namespace std;
using llint = long long;
const int MAXN = 1000010;
const int HASH = 1234577;
const int MOD = 1e9 + 7;
int n, q, p[MAXN], r[MAXN], father[MAXN], nodes[MAXN], tot_merges;
llint powb[MAXN], idx[MAXN], val[MAXN], sol;
map<llint, int> diff_nodes;
llint tot_pairs;
void add_nodes(int sgn, llint diff, int m) {
  if (diff != 0) {
    tot_pairs += sgn * m * diff_nodes[-diff];
    // printf("diff = %lld\n",diff);
    // printf("... %d\n",diff_nodes[-diff]);
  }
  diff_nodes[diff] += sgn * m;
}
int dad(int x) {
  if (x == father[x]) return x;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

zamjene.cpp: In function 'void init()':
zamjene.cpp:59:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&n,&q);
   ~~~~~^~~~~~~~~~~~~~~
zamjene.cpp:66:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",p + i);
     ~~~~~^~~~~~~~~~~~
zamjene.cpp: In function 'int main()':
zamjene.cpp:86:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&t);
     ~~~~~^~~~~~~~~
zamjene.cpp:88:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d %d",&a,&b);
       ~~~~~^~~~~~~~~~~~~~~
zamjene.cpp:107:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d %d",&a,&b);
       ~~~~~^~~~~~~~~~~~~~~

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