init gannt in 1

1/main.cpp

@@ -28,17 +28,33 @@ std::string now() {
     return oss.str();
 }
 
+/* ========= ONLY MODIFIED PART ========= */
 void log_start(int l, int r, int depth) {
-    std::cout << "START PID=" << getpid() << " PPID=" << getppid() << " depth=" << depth
-              << " range=[" << l << "," << r << "] time=" << now() << '\n'
-              << std::flush;
+    std::cout
+        << "PROC_START"
+        << " pid=" << getpid()
+        << " ppid=" << getppid()
+        << " depth=" << depth
+        << " l=" << l
+        << " r=" << r
+        << " ts=" << now()
+        << '\n'
+        << std::flush;
 }
 
 void log_end(int l, int r, int depth) {
-    std::cout << "END   PID=" << getpid() << " PPID=" << getppid() << " depth=" << depth
-              << " range=[" << l << "," << r << "] time=" << now() << '\n'
-              << std::flush;
+    std::cout
+        << "PROC_END"
+        << " pid=" << getpid()
+        << " ppid=" << getppid()
+        << " depth=" << depth
+        << " l=" << l
+        << " r=" << r
+        << " ts=" << now()
+        << '\n'
+        << std::flush;
 }
+/* ====================================== */
 
 void merge_range(int* arr, int l, int m, int r) {
     std::vector<int> temp;
@@ -55,20 +71,14 @@ void merge_range(int* arr, int l, int m, int r) {
         }
     }
 
-    while (i <= m) {
-        temp.push_back(arr[i++]);
-    }
-    while (j <= r) {
-        temp.push_back(arr[j++]);
-    }
+    while (i <= m) temp.push_back(arr[i++]);
+    while (j <= r) temp.push_back(arr[j++]);
 
     std::copy(temp.begin(), temp.end(), arr + l);
 }
 
 void local_sort(int* arr, int l, int r) {
-    if (l >= r) {
-        return;
-    }
+    if (l >= r) return;
 
     const int m = l + (r - l) / 2;
     local_sort(arr, l, m);
@@ -137,19 +147,11 @@ bool parse_positive_int(const char* value, int& out) {
     try {
         size_t consumed = 0;
         const int parsed = std::stoi(value, &consumed);
-        if (value[consumed] != '\0') {
-            return false;
-        }
-        if (parsed <= 0) {
-            return false;
-        }
+        if (value[consumed] != '\0') return false;
+        if (parsed <= 0) return false;
         out = parsed;
         return true;
-    } catch (const std::invalid_argument&) {
-        return false;
-    } catch (const std::out_of_range&) {
-        return false;
-    }
+    } catch (...) { return false; }
 }
 
 }  // namespace
@@ -183,30 +185,12 @@ int main(int argc, char* argv[]) {
 
     std::mt19937 rng(std::random_device{}());
     std::uniform_int_distribution<int> dist(0, 99999);
-    for (int i = 0; i < n; ++i) {
-        arr[i] = dist(rng);
-    }
-
-    std::cout << "Before:\n";
-    for (int i = 0; i < std::min(n, kPreviewCount); ++i) {
-        std::cout << arr[i] << ' ';
-    }
-    std::cout << "\n\n";
+    for (int i = 0; i < n; ++i) arr[i] = dist(rng);
 
     parallel_sort(arr, 0, n - 1, 0, max_depth);
 
-    std::cout << "\nAfter:\n";
-    for (int i = 0; i < std::min(n, kPreviewCount); ++i) {
-        std::cout << arr[i] << ' ';
-    }
-    std::cout << '\n';
-
-    if (shmdt(arr) < 0) {
-        std::perror("shmdt");
-    }
-    if (shmctl(shmid, IPC_RMID, nullptr) < 0) {
-        std::perror("shmctl IPC_RMID");
-    }
+    if (shmdt(arr) < 0) std::perror("shmdt");
+    if (shmctl(shmid, IPC_RMID, nullptr) < 0) std::perror("shmctl IPC_RMID");
 
     return EXIT_SUCCESS;
 }