Submission #1088442

#	Time	Username	Problem	Language	Result	Execution time	Memory
1088442		Sunbae	Palembang Bridges (APIO15_bridge)	C++17	22 / 100	32 ms	3432 KiB

bridge

#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
int a[200000];
signed main(){
	int k, n, m = 0; scanf("%d %d", &k, &n);
	ll tot = 0, s[2] = {0, 0};
	for(int i = 0; i<n; ++i){
		char c[2]; int p[2]; scanf(" %c %d %c %d", c, p, c+1, p+1);
		if(c[0] == c[1]) tot += abs(p[0]-p[1]);
		else {a[m++] = p[0]; a[m++] = p[1];}
	}
	sort(a, a+m);
	for(int j = 0; j<2; ++j) for(int i = 0; i<m; ++i) s[j] += abs(a[i] - a[m/2 - j]);
	printf("%lld", tot + min(s[0], s[1]) + m/2);
}

Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:6:24: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |  int k, n, m = 0; scanf("%d %d", &k, &n);
      |                   ~~~~~^~~~~~~~~~~~~~~~~
bridge.cpp:9:29: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |   char c[2]; int p[2]; scanf(" %c %d %c %d", c, p, c+1, p+1);
      |                        ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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