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Submission #972896

# Submission time Handle Problem Language Result Execution time Memory
972896 2024-05-01T09:52:40 Z sleepntsheep Palembang Bridges (APIO15_bridge) C
0 / 100
 1 ms 4532 KB 
#include <stdio.h>
#include <stdlib.h>
#define MAX_N 2000000

int min(int a,int b){return a<b?a:b;}
int max(int a,int b){return a>b?a:b;}
int cmpr(const void*a,const void*b){return *(const int*)a - *(const int*)b;}

int n, k, a[MAX_N], b[MAX_N], c[MAX_N<<1], o, p;
long long cost;

int main()
{
    scanf("%d%d", &k, &n);
    for (int s, t, i = 0; i < n; ++i)
    {
        char bb, cc;
        scanf(" %c%d %c%d",&bb,&s,&cc,&t);
        if(bb==cc) cost += abs(t-s);
        else
        {
            a[o] = min(s, t);
            b[o] = max(s, t);
            c[p++] = s; c[p++] = t;
            ++o;
        }
    }

    if(k==1)
    {
        qsort(c, p, sizeof*c, cmpr);
        for(int j=0;j<p;++j)
            cost += abs(c[p/2] - c[j]);
        printf("%lld\n", cost);
    }

}

Compilation message

bridge.c: In function 'main':
bridge.c:14:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |     scanf("%d%d", &k, &n);
      |     ^~~~~~~~~~~~~~~~~~~~~
bridge.c:18:9: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |         scanf(" %c%d %c%d",&bb,&s,&cc,&t);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 1 ms 4444 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 1 ms 4532 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -