Submission #12921

#	Time	Username	Problem	Language	Result	Execution time	Memory
12921		baneling100	탐사 (KOI13_probe)	C++98	19 / 19	2 ms	424 KiB

probe

#include <stdio.h>
#include <algorithm>
#include <vector>
#define INF 0x7fffffff

using namespace std;

typedef pair <int,int> ppair;
vector <ppair> Edge[41];
int K, N, Dist[41];

int main(void) {

    int i, j, k, l, in1, in2, in3, update;

    scanf("%d %d",&K,&N);
    for(i=1 ; i<=K ; i++) {
        Edge[i-1].push_back(make_pair(i  ,1));
        Edge[i  ].push_back(make_pair(i-1,0));
        Dist[i]=INF;
    }
    for(i=1 ; i<=N ; i++) {
        scanf("%d %d %d",&in1,&in2,&in3);
        in1--;
        Edge[in1].push_back(make_pair(in2,in3 ));
        Edge[in2].push_back(make_pair(in1,-in3));
    }
    for(i=0 ; i<=K ; i++) {
        update=1;
        for(j=0 ; j<=K ; j++) {
            l=Edge[j].size();
            for(k=0 ; k<l ; k++)
                if(Dist[Edge[j][k].first]>Dist[j]+Edge[j][k].second) {
                    Dist[Edge[j][k].first]=Dist[j]+Edge[j][k].second;
                    update=0;
                }
        }
        if(update)
            break;
    }
    if(Dist[0]<0)
        printf("NONE");
    else
        for(i=1 ; i<=K ; i++) {
            if(Dist[i]-Dist[i-1])
                printf("#");
            else
                printf("-");
        }
    return 0;
}

Compilation message (stderr)

probe.cpp: In function 'int main()':
probe.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&K,&N);
     ~~~~~^~~~~~~~~~~~~~~
probe.cpp:23:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d",&in1,&in2,&in3);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• 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