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  1. #include <stdio.h>
  2.  
  3. void run_election(int votes[5][4], const char* label_case) {
  4.     printf("=== %s ===\n", label_case);
  5.  
  6.     for (int i = 0; i < 5; i++) {
  7.         printf("%d\t\t", i + 1);
  8.         for (int j = 0; j < 4; j++) {
  9.             printf("%d\t\t", votes[i][j]);
  10.         }
  11.         printf("\n");
  12.     }
  13.  
  14.     int total_votes_candidate[4] = {0};
  15.     int grand_total = 0;
  16.  
  17.     for (int j = 0; j < 4; j++) {
  18.         for (int i = 0; i < 5; i++) {
  19.             total_votes_candidate[j] += votes[i][j];
  20.         }
  21.         grand_total += total_votes_candidate[j];
  22.     }
  23.  
  24.     char candidate_names[4] = {'A', 'B', 'C', 'D'};
  25.     printf("\nHasil Perhitungan Suara:\n");
  26.     for (int j = 0; j < 4; j++) {
  27.         double percentage = ((double)total_votes_candidate[j] / grand_total) * 100.0;
  28.         printf("Kandidat %c: %d suara (%.2f%%)\n", candidate_names[j], total_votes_candidate[j], percentage);
  29.     }
  30.     printf("Total Keseluruhan Suara: %d\n\n", grand_total);
  31.  
  32.     int winner_index = -1;
  33.     for (int j = 0; j < 4; j++) {
  34.         double percentage = ((double)total_votes_candidate[j] / grand_total) * 100.0;
  35.         if (percentage > 50.0) {
  36.             winner_index = j;
  37.             break;
  38.         }
  39.     }
  40.  
  41.     if (winner_index != -1) {
  42.         // c. Pemenang mutlak (> 50%)
  43.         printf("PENGUMUMAN: Kandidat %c memenangkan pemilihan secara mutlak dengan perolehan di atas 50%% suara!\n\n", candidate_names[winner_index]);
  44.     } else {
  45.         int first_max = -1, second_max = -1;
  46.         int first_idx = -1, second_idx = -1;
  47.  
  48.         for (int j = 0; j < 4; j++) {
  49.             if (total_votes_candidate[j] > first_max) {
  50.                 second_max = first_max;
  51.                 second_idx = first_idx;
  52.                 first_max = total_votes_candidate[j];
  53.                 first_idx = j;
  54.             } else if (total_votes_candidate[j] > second_max) {
  55.                 second_max = total_votes_candidate[j];
  56.                 second_idx = j;
  57.             }
  58.         }
  59.         printf("PENGUMUMAN: Tidak ada kandidat yang meraih lebih dari 50%% suara.\n");
  60.         printf("Terjadi pemilu lanjutan (runoff) antara Kandidat %c dan Kandidat %c.\n\n", candidate_names[first_idx], candidate_names[second_idx]);
  61.     }
  62. }
  63.  
  64. int main() {
  65.     int original_votes[5][4] = {
  66.         {192, 48, 206, 37},
  67.         {147, 90, 312, 21},
  68.         {186, 12, 121, 38},
  69.         {114, 21, 408, 39},
  70.         {267, 13, 382, 29}
  71.     };
  72.  
  73.     run_election(original_votes, "Uji Coba 1: Data Asli");
  74.  
  75.     int modified_votes[5][4] = {
  76.         {192, 48, 206, 37},
  77.         {147, 90, 312, 21},
  78.         {186, 12, 121, 38},
  79.         {114, 21, 108, 39}, 
  80.         {267, 13, 382, 29}
  81.     };
  82.  
  83.     run_election(modified_votes, "Uji Coba 2: Kandidat C Mendapat 108 Suara di Precinct 4");
  84.  
  85.     return 0;
  86. }
Success #stdin #stdout 0s 5320KB
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=== Uji Coba 1: Data Asli ===
1		192		48		206		37		
2		147		90		312		21		
3		186		12		121		38		
4		114		21		408		39		
5		267		13		382		29		

Hasil Perhitungan Suara:
Kandidat A: 906 suara (33.77%)
Kandidat B: 184 suara (6.86%)
Kandidat C: 1429 suara (53.26%)
Kandidat D: 164 suara (6.11%)
Total Keseluruhan Suara: 2683

PENGUMUMAN: Kandidat C memenangkan pemilihan secara mutlak dengan perolehan di atas 50% suara!

=== Uji Coba 2: Kandidat C Mendapat 108 Suara di Precinct 4 ===
1		192		48		206		37		
2		147		90		312		21		
3		186		12		121		38		
4		114		21		108		39		
5		267		13		382		29		

Hasil Perhitungan Suara:
Kandidat A: 906 suara (38.02%)
Kandidat B: 184 suara (7.72%)
Kandidat C: 1129 suara (47.38%)
Kandidat D: 164 suara (6.88%)
Total Keseluruhan Suara: 2383

PENGUMUMAN: Tidak ada kandidat yang meraih lebih dari 50% suara.
Terjadi pemilu lanjutan (runoff) antara Kandidat C dan Kandidat A.
https://ideone.com/evYanj
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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