oj.uz

Submission #138352

# Submission time Handle Problem Language Result Execution time Memory
138352 2019-07-29T19:42:51 Z almogwald Toy Train (IOI17_train) C++14
12 / 100
 12 ms 1656 KB 
#include <utility>
#include <algorithm>

#include "train.h"
#define fori(i,n) for(int i=0;i<n;i++)
#define forib(i,n) for(int i=n-1;i>=0;i--)
#define maxl 10000000000

typedef long long lol;
using namespace std;
vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> u, std::vector<int> v) {
	int n=a.size();
	vector<int> res(n,0);
	vector<vector<int>> cons(n);
	vector<vector<int>> opcons(n);
	fori(i,u.size()){
		int cur=u[i];
		int next=v[i];
		cons[cur].push_back(next);
		opcons[next].push_back(cur);
	}
	int cur=0;
	vector<int>left(n);
	fori(i,n){
		if(r[i]){
			cur=i;
		}
		if(a[i]==1){
			left[i]=1;
		}else{
			left[i]=cons[i].size();
		}
	}

	vector<int> help;
	fori(j,opcons[cur].size()){
		int curr=opcons[cur][j];
		left[curr]--;
		if(left[curr]==0){
			res[curr]=1;
			if(cur!=curr){
				help.push_back(curr);
			}
		}
	}
	while(help.size()){
		int i=help.back();
		help.pop_back();
		fori(j,opcons[i].size()){
			int curr=opcons[i][j];
			left[curr]--;
			if(left[curr]==0){
				res[curr]=1;
				if(cur!=curr){
					help.push_back(curr);
				}
			}
		}
	}
	if(res[cur]==0){
		fori(i,n){
			res[i]=0;
		}
	}
	return res;
}

Compilation message

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:5:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define fori(i,n) for(int i=0;i<n;i++)
train.cpp:16:7:
  fori(i,u.size()){
       ~~~~~~~~~~                
train.cpp:16:2: note: in expansion of macro 'fori'
  fori(i,u.size()){
  ^~~~
train.cpp:5:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define fori(i,n) for(int i=0;i<n;i++)
train.cpp:36:7:
  fori(j,opcons[cur].size()){
       ~~~~~~~~~~~~~~~~~~~~      
train.cpp:36:2: note: in expansion of macro 'fori'
  fori(j,opcons[cur].size()){
  ^~~~
train.cpp:5:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define fori(i,n) for(int i=0;i<n;i++)
train.cpp:49:8:
   fori(j,opcons[i].size()){
        ~~~~~~~~~~~~~~~~~~       
train.cpp:49:3: note: in expansion of macro 'fori'
   fori(j,opcons[i].size()){
   ^~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 1220 KB 3rd lines differ - on the 14th token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB 3rd lines differ - on the 2nd token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1528 KB Output is correct
2 Correct 10 ms 1656 KB Output is correct
3 Correct 10 ms 1656 KB Output is correct
4 Correct 12 ms 1628 KB Output is correct
5 Correct 12 ms 1644 KB Output is correct
6 Incorrect 11 ms 1528 KB 3rd lines differ - on the 47th token, expected: '1', found: '0'
7 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 1272 KB 3rd lines differ - on the 1st token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 1400 KB Output is correct
2 Correct 12 ms 1528 KB Output is correct
3 Correct 12 ms 1528 KB Output is correct
4 Correct 11 ms 1528 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 6 ms 1144 KB Output is correct
7 Correct 8 ms 1016 KB Output is correct
8 Correct 8 ms 1144 KB Output is correct
9 Correct 7 ms 1016 KB Output is correct
10 Correct 4 ms 508 KB Output is correct
11 Correct 7 ms 1016 KB Output is correct

Subtask #6
0 / 51.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 1220 KB 3rd lines differ - on the 14th token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -