Submission #32180

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
32180	2017-10-03 05:56:47	minchurl	Palembang Bridges (APIO15_bridge)	C++11	31 / 100	2000 ms	3460 KiB

bridge

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#include<stdio.h>
#include<math.h>
#include<algorithm>
#define MAX_N 100005
#define abs(x) ((x)>0?(x):(-(x)))
#define LL long long
using namespace std;
struct emp{
  int x,y;
};
emp arr[MAX_N];
LL N,K;
LL only_arr[2*MAX_N],ans;
LL input(){
  LL i,n,S,T,sum=0;
  char P[2],Q[2];
  n=0;
  for(i=0;i<N;i++){
    scanf("%s %lld %s %lld",P,&S,Q,&T);
    if(P[0]==Q[0]){
      sum+=abs(S-T);
    }else{
      only_arr[2*n+1]=S;only_arr[2*n+2]=T;
      arr[++n].x=S;arr[n].y=T;
      sum++;
    }
  }
  N=n;
  return sum;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:70:9: warning: unused variable 'k' [-Wunused-variable]
  LL i,j,k,x;
         ^
bridge.cpp: In function 'long long int input()':
bridge.cpp:19:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s %lld %s %lld",P,&S,Q,&T);
                                     ^
bridge.cpp: In function 'int main()':
bridge.cpp:62:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld",&K,&N);
                          ^

• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 9 / 9
• Subtask 4: 0 / 32
• Subtask 5: 0 / 37