Submission #16846

#	Time	Username	Problem	Language	Result	Execution time	Memory
16846		gs14004	탐사 (KOI13_probe)	C++14	19 / 19	5 ms	376 KiB

probe

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <limits.h>
#include <stack>
#include <queue>
#include <map>
#include <set>
#include <algorithm>
#include <string>
#include <functional>
#include <vector>
#include <numeric>
#include <deque>
#include <utility>
#include <bitset>
#include <iostream>
using namespace std;
typedef long long lint;
typedef long double llf;
typedef pair<int, int> pi;

int adj[45][45];
int n, k;

int main(){
	scanf("%d %d",&n,&k);
	memset(adj,0x3f,sizeof(adj));
	for(int i=0; i<=n; i++){
		adj[i][i+1] = 1;
		adj[i+1][i] = 0;
		adj[i][i] = 0;
	}
	for(int i=0; i<k; i++){
		int s, e, x;
		scanf("%d %d %d",&s,&e,&x);
		adj[s-1][e] = min(adj[s-1][e], x);
		adj[e][s-1] = min(adj[e][s-1], -x);
	}
	for(int i=0; i<=n; i++){
		for(int j=0; j<=n; j++){
			for(int k=0; k<=n; k++){
				adj[j][k] = min(adj[j][k], adj[j][i] + adj[i][k]);
			}
		}
	}
	for(int i=0; i<=n; i++){
		if(adj[i][i] < 0){
			puts("NONE");
			return 0;
		}
	}
	for(int i=1; i<=n; i++){
		putchar(adj[0][i] - adj[0][i-1] ? '#' : '-');
	}
}

Compilation message (stderr)

probe.cpp: In function 'int main()':
probe.cpp:28:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&k);
  ~~~~~^~~~~~~~~~~~~~~
probe.cpp:37:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d",&s,&e,&x);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 2.47 / 2.47
• Subtask 2: 2.09 / 2.09
• Subtask 3: 1.33 / 1.33
• Subtask 4: 5.13 / 5.13
• Subtask 5: 3.61 / 3.61
• Subtask 6: 4.37 / 4.37