diff --git a/main.c b/main.c
index 8d3cb86..3529eab 100644
--- a/main.c
+++ b/main.c
@@ -40,9 +40,9 @@ void test() {
 
     read_csv("csv/graph.csv", vertex_count, vertex_count, adjacency_matrix);
 
-    printf("G:\n");
+    puts("G:");
     print_matrix(vertex_count, vertex_count, adjacency_matrix);
-    printf("\n");
+    puts("");
 
     // uint64_t new_matrix1[vertex_count][vertex_count];
     //
@@ -50,9 +50,9 @@ void test() {
     //                       vertex_count, vertex_count, adjacency_matrix,
     //                       new_matrix1);
     //
-    // printf("G²:\n");
+    // puts("G²:");
     // print_matrix(vertex_count, vertex_count, new_matrix1);
-    // printf("\n");
+    // puts("");
     //
     // uint64_t new_matrix2[vertex_count][vertex_count];
     //
@@ -62,17 +62,17 @@ void test() {
     //                       vertex_count, vertex_count, adjacency_matrix,
     //                       new_matrix2);
     //
-    // printf("G³:\n");
+    // puts("G³:");
     // print_matrix(vertex_count, vertex_count, new_matrix2);
-    // printf("\n");
+    // puts("");
 
     uint64_t distance_matrix[vertex_count][vertex_count];
 
     calculate_distance_matrix(vertex_count, adjacency_matrix, distance_matrix);
 
-    printf("distance_matrix:\n");
+    puts("distance_matrix:");
     print_matrix(vertex_count, vertex_count, distance_matrix);
-    printf("\n");
+    puts("");
 }
 
 int main(void) {
diff --git a/matrix.c b/matrix.c
index 2c2555c..408e1b8 100644
--- a/matrix.c
+++ b/matrix.c
@@ -10,7 +10,7 @@ void print_matrix(const uint64_t row_length, const uint64_t column_length, const
         for (uint64_t row_index=0; row_index < row_length; row_index++) {
             printf("%lu ", matrix[row_index][column_index]);
         }
-        printf("\n");
+        puts("");
     }
 }
 
@@ -48,7 +48,7 @@ int read_csv(const char *file_name, const uint64_t row_length, const uint64_t co
 
     file_ptr = fopen(file_name, "r");
     if (file_ptr == NULL) {
-        printf("Unable to open csv\n");
+        puts("Unable to open csv");
         return 1;
     }