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Submission #198590

# Submission time Handle Problem Language Result Execution time Memory
198590 2020-01-26T18:00:17 Z Akashi Restore Array (RMI19_restore) C++14
0 / 100
 274 ms 824 KB 
#include <bits/stdc++.h>
using namespace std;

const int INF = 1e9;
int n, m;

struct edge{
	int x, y, c;
};

vector <edge> v;
void add_edge(int x, int y, int c){
	v.push_back({y, x, c});
}


int d[5005];
queue <int> q;
bool bellman(){
	for(int i = 1; i <= n ; ++i) d[i] = INF;
	d[0] = 0;
	
	for(int i = 1; i <= n + 1 ; ++i)
		for(auto it : v) d[it.y] = min(d[it.y], d[it.x] + it.c);	

	for(auto it : v)
		if(d[it.y] > d[it.x] + it.c) return 0;
	
	return 1;
}

int main(){
	scanf("%d%d", &n, &m);
	for(int i = 1; i <= n ; ++i) add_edge(i - 1, i, 1);
		
	int l, r, k, val;
	for(int i = 1; i <= m ; ++i){
		scanf("%d%d%d%d", &l, &r, &k, &val);
		++l; ++r;
		
		if(val == 1) add_edge(r, l - 1, (k - 1) - (r - l + 1));
		else add_edge(l - 1, r, (r - l + 1) - k);
	}
	
	bool ok = bellman();
	if(!ok) printf("-1");
	else{
		for(int i = 1; i <= n ; ++i) 
			printf("%d ", d[i] - d[i - 1]);
	}
 	
	return 0;
}

Compilation message

restore.cpp: In function 'int main()':
restore.cpp:33:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~
restore.cpp:38:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d%d", &l, &r, &k, &val);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 274 ms 824 KB Integer 1000000000 violates the range [-1, 1]
2 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 274 ms 824 KB Integer 1000000000 violates the range [-1, 1]
2 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -