Submission #943153

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
943153	2024-03-11 08:45:16	shoryu386	Fancy Fence (CEOI20_fancyfence)	C++17	100 / 100	103 ms	13304 KiB

fancyfence

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#include <bits/stdc++.h>
using namespace std;
#define int long long
#define MAX 100007
#define MOD 1000000007
tuple<int, int, int> hw[MAX];
int p[MAX];
int sumsz[MAX];
int storeSqrSum = 0;
int compute(int x){
  return ( (x * (x+1))/2 ) %MOD;
}
void activate(int a){
  sumsz[a] = get<1>(hw[a]);
  storeSqrSum += compute(get<1>(hw[a]));
  storeSqrSum %= MOD;
}
int root(int a){
  if (a == p[a]) return a;
  return p[a] = root(p[a]);
}
void merge(int a, int b){
 
 
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Compilation message (stderr)

fancyfence.cpp:61:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   61 | main(){
      | ^~~~

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• Subtask 2: 12 / 12
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• Subtask 4: 15 / 15
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• Subtask 7: 27 / 27