Submission #846368

#	Time	Username	Problem	Language	Result	Execution time	Memory
846368		vjudge1	KOVANICE (COI15_kovanice)	C++98	10 / 100	2083 ms	52148 KiB

kovanice

#include<bits/stdc++.h>
using namespace std;
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	long long a,b,c,d,e,t,m;
	cin>>a>>b>>c;
	string kel;
	long long arr[b + 5];
	vector <long long> es[b + 5];
	queue <long long> que;
	vector <long long> ana;
	memset(arr,0,sizeof(arr));
	string str[c + 5];
	vector <pair <long long,long long> > adj[b + 5];
	d=0;
	for(long long i=0;b>i;i++){
		es[i].push_back(i);
	}
	for(long long i=0;c>i;i++){
		cin>>kel;
		long long y=0;
		e=0;
		long long p=1;
		while(kel[y] != '=' && kel[y] != '<'){
			y++;
			e++;
		}
		long long h=0;
		while(e--){
			h+=((kel[e] - '0')*p);
			p*=10;
		}
		p=1;
		m=0;
		e=kel.length();
		e--;
		while(e > y){
			m+=((kel[e] - '0')*p);
			p*=10;
			e--;
		}
		if(kel[y] == '='){
			adj[h-1].push_back(make_pair(m-1,0));
			adj[m-1].push_back(make_pair(h-1,0));
		}
		else{
			adj[m-1].push_back(make_pair(h-1,1));
			arr[h-1]++;
		}
	}
	for(long long i=0;b>i;i++){
		if(arr[i] == 0){
			ana.push_back(i);
		}
	}
	memset(arr,-1,sizeof(arr));
	for(long long i=0;ana.size()>i;i++){
	long long vis[b + 5];
	memset(vis,0,sizeof(vis));
	long long cakmaarr[b + 5];
	memset(cakmaarr,-1,sizeof(cakmaarr));
	que.push(ana[i]);	

	cakmaarr[ana[i]] = 0;
	long long pivot,enb;
	enb=0;
	while(que.size()){
		pivot = que.front();
		que.pop();
		if(vis[pivot] == 0){
			vis[pivot] = 1;
			for(long long j=0;adj[pivot].size()>j;j++){
				if(vis[adj[pivot][j].first] == 0 ){
					cakmaarr[adj[pivot][j].first] = cakmaarr[pivot] + adj[pivot][j].second;
					if(enb < (cakmaarr[pivot] + adj[pivot][j].second)){
						enb = cakmaarr[pivot] + adj[pivot][j].second;
					}
					que.push(adj[pivot][j].first);


				}
			}
		}
	}
	if(a == (enb + 1)){
		for(long long j=0;b>j;j++){
			if(cakmaarr[j] != -1){
				arr[j]=cakmaarr[j];
			}
		}
	}
	}
		for(long long i=0;b>i;i++){
			if(arr[i] != -1){
				cout<<"K"<<a - arr[i]<<"\n";
			}
			else{
				cout<<"?\n";
			}
		}
	




	
}

Compilation message (stderr)

kovanice.cpp: In function 'int main()':
kovanice.cpp:58:30: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   58 |  for(long long i=0;ana.size()>i;i++){
      |                    ~~~~~~~~~~^~
kovanice.cpp:73:39: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   73 |    for(long long j=0;adj[pivot].size()>j;j++){
      |                      ~~~~~~~~~~~~~~~~~^~
kovanice.cpp:6:18: warning: variable 'd' set but not used [-Wunused-but-set-variable]
    6 |  long long a,b,c,d,e,t,m;
      |                  ^
kovanice.cpp:6:22: warning: unused variable 't' [-Wunused-variable]
    6 |  long long a,b,c,d,e,t,m;
      |                      ^

• Subtask 1: 10 / 10
• Subtask 2: 0 / 40
• Subtask 3: 0 / 10
• Subtask 4: 0 / 40