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답안 #228191

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
228191 2020-04-30T07:34:03 Z urd05 시간이 돈 (balkan11_timeismoney) C++14
0 / 100
 2000 ms 640 KB 
#include <bits/stdc++.h>
using namespace std;

int n,m;

struct Edge {
    int s,e,t,c;
};

Edge edge[10000];
int one,two;

bool comp(Edge a,Edge b) {
    return one*a.t+two*a.c<one*b.t+two*b.c;
}

int p[200];

int find(int a) {
    if (p[a]<0) {
        return a;
    }
    p[a]=find(p[a]);
    return p[a];
}

void merge(int a,int b) {
    a=find(a);
    b=find(b);
    if (a==b) {
        return;
    }
    p[b]=a;
}

int main(void) {
    scanf("%d %d\n",&n,&m);
    for(int i=0;i<m;i++) {
        scanf("%d %d %d %d\n",&edge[i].s,&edge[i].e,&edge[i].t,&edge[i].c);
    }
    int opt1=-1;
    int opt2=-1;
    long long ret1=1e6;
    long long ret2=1e6;
    for(int i=0;i<256*n;i++) {
        for(int j=0;j<256*n;j++) {
            one=i;
            two=j;
            sort(edge,edge+m,comp);
            memset(p,-1,sizeof(p));
            long long tsum=0;
            long long csum=0;
            for(int k=0;k<m;k++) {
                if (find(edge[k].s)!=find(edge[k].e)) {
                    merge(edge[k].s,edge[k].e);
                    tsum+=edge[k].t;
                    csum+=edge[k].c;
                }
            }
            if (tsum*csum<ret1*ret2) {
                opt1=i;
                opt2=j;
                ret1=tsum;
                ret2=csum;
            }
        }
    }
    printf("%d %d\n",ret1,ret2);
    one=opt1;
    two=opt2;
    sort(edge,edge+m,comp);
    memset(p,-1,sizeof(p));
    for(int i=0;i<m;i++) {
        if (find(edge[i].s)!=find(edge[i].e)) {
            merge(edge[i].s,edge[i].e);
            printf("%d %d\n",edge[i].s,edge[i].e);
        }
    }
}

Compilation message

timeismoney.cpp: In function 'int main()':
timeismoney.cpp:68:31: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
     printf("%d %d\n",ret1,ret2);
                               ^
timeismoney.cpp:68:31: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=]
timeismoney.cpp:37:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d\n",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~~~
timeismoney.cpp:39:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d %d\n",&edge[i].s,&edge[i].e,&edge[i].t,&edge[i].c);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2094 ms 384 KB Time limit exceeded
2 Execution timed out 2069 ms 256 KB Time limit exceeded
3 Execution timed out 2076 ms 256 KB Time limit exceeded
4 Execution timed out 2084 ms 256 KB Time limit exceeded
5 Execution timed out 2082 ms 256 KB Time limit exceeded
6 Execution timed out 2098 ms 256 KB Time limit exceeded
7 Execution timed out 2089 ms 384 KB Time limit exceeded
8 Execution timed out 2072 ms 640 KB Time limit exceeded
9 Execution timed out 2086 ms 256 KB Time limit exceeded
10 Execution timed out 2088 ms 256 KB Time limit exceeded
11 Execution timed out 2086 ms 384 KB Time limit exceeded
12 Execution timed out 2076 ms 384 KB Time limit exceeded
13 Execution timed out 2088 ms 256 KB Time limit exceeded
14 Execution timed out 2075 ms 256 KB Time limit exceeded
15 Execution timed out 2089 ms 256 KB Time limit exceeded
16 Execution timed out 2078 ms 384 KB Time limit exceeded
17 Execution timed out 2083 ms 384 KB Time limit exceeded
18 Execution timed out 2078 ms 384 KB Time limit exceeded
19 Execution timed out 2089 ms 640 KB Time limit exceeded
20 Execution timed out 2088 ms 640 KB Time limit exceeded