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.gitmodules

@@ -7,3 +7,9 @@
 [submodule "STEP1_Basics/6_Files/c_cross_pack"]
 	path = STEP1_Basics/6_Files/c_cross_pack
 	url = https://gitea.del.pw/justuser-31/c_cross_pack.git
+[submodule "STEP1_Basics/7_JSON/cJSON"]
+	path = STEP1_Basics/7_JSON/cJSON
+	url = https://github.com/DaveGamble/cJSON.git
+[submodule "STEP1_Basics/7_JSON/c_cross_pack"]
+	path = STEP1_Basics/7_JSON/c_cross_pack
+	url = https://gitea.del.pw/justuser-31/c_cross_pack.git

STEP1_Basics/7_JSON/cJSON

@@ -0,0 +1 @@
+Subproject commit 8f2beb57ddad1f94bed899790b00f46df893ccac

STEP1_Basics/7_JSON/c_cross_pack

@@ -0,0 +1 @@
+Subproject commit 957177e9ecd9547e89129ead6fb055262c222e00

STEP1_Basics/7_JSON/data.json

@@ -0,0 +1,29 @@
+[
+  {
+    "name": "Иван Иванов",
+    "age": 21,
+    "grades": {
+      "math": 85,
+      "physics": 90,
+      "history": 78
+    }
+  },
+  {
+    "name": "Мария Петрова",
+    "age": 22,
+    "grades": {
+      "math": 92,
+      "physics": 88,
+      "history": 80
+    }
+  },
+  {
+    "name": "Алексей Смирнов",
+    "age": 23,
+    "grades": {
+      "math": 75,
+      "physics": 84,
+      "history": 79
+    }
+  }
+]

STEP1_Basics/7_JSON/main.c

@@ -0,0 +1,91 @@
+#include <stdio.h>
+
+#include "c_cross_pack/libs/string.h"
+#include "cJSON/cJSON.c"
+
+int main() {
+	FILE* fp = fopen("data.json", "r");
+	char buffer[2048];
+	fread(buffer, 1, sizeof(buffer), fp);
+	fclose(fp);
+
+	// Parse the JSON data
+	cJSON *json = cJSON_Parse(buffer);
+
+	// Variables for working with parsing json
+	int count = cJSON_GetArraySize(json);
+	cJSON *name, *age, *student, *grades, *math, *physics, *history;
+
+	// What we are looking for
+	int average_best, aver_best_i;
+	int stud_80_plus[10]; int studs_80_i = 0;
+	average_best = -1;
+
+	// Find some data
+	int average;
+	for (int i = 0; i < count; i++) {
+		student = cJSON_GetArrayItem(json, i);
+		grades = cJSON_GetObjectItem(student, "grades");
+		math = cJSON_GetObjectItem(grades, "math");
+		physics = cJSON_GetObjectItem(grades, "physics");
+		history = cJSON_GetObjectItem(grades, "history");
+
+		average = (math->valueint + physics->valueint + history->valueint) / 3;
+		if (average > average_best) {
+			average_best = average;
+			aver_best_i = i;
+		}
+		if (math->valueint > 80) {
+			stud_80_plus[studs_80_i] = i;
+			studs_80_i++;
+		}
+	}
+
+	// Format average best
+	string aver_best_str = strInit("");
+	// Get data
+	student = cJSON_GetArrayItem(json, aver_best_i);
+	name = cJSON_GetObjectItem(student, "name");
+	age = cJSON_GetObjectItem(student, "age");
+	grades = cJSON_GetObjectItem(student, "grades");
+	math = cJSON_GetObjectItem(grades, "math");
+	physics = cJSON_GetObjectItem(grades, "physics");
+	history = cJSON_GetObjectItem(grades, "history");
+	// Add
+	strAdd(&aver_best_str, name->valuestring); strAdd(&aver_best_str, " ");
+	strAdd(&aver_best_str, int2Str(&age->valueint)); strAdd(&aver_best_str, " ");
+	strAdd(&aver_best_str, int2Str(&math->valueint)); strAdd(& aver_best_str, "-");
+	strAdd(&aver_best_str, int2Str(&physics->valueint)); strAdd(&aver_best_str, "-");
+	strAdd(&aver_best_str, int2Str(&history->valueint));
+
+	// Format math 80+
+	string stud_80_str = strInit("");
+	for (int i = 0; i < studs_80_i; i++) {
+		// Get data
+		student = cJSON_GetArrayItem(json, i);
+		name = cJSON_GetObjectItem(student, "name");
+		age = cJSON_GetObjectItem(student, "age");
+		grades = cJSON_GetObjectItem(student, "grades");
+		math = cJSON_GetObjectItem(grades, "math");
+		physics = cJSON_GetObjectItem(grades, "physics");
+		history = cJSON_GetObjectItem(grades, "history");
+		// Add
+		strAdd(&stud_80_str, name->valuestring); strAdd(&stud_80_str, " ");
+		strAdd(&stud_80_str, int2Str(&age->valueint)); strAdd(&stud_80_str, " ");
+		strAdd(&stud_80_str, int2Str(&math->valueint)); strAdd(& stud_80_str, "-");
+		strAdd(&stud_80_str, int2Str(&physics->valueint)); strAdd(&stud_80_str, "-");
+		strAdd(&stud_80_str, int2Str(&history->valueint)); strAdd(&stud_80_str, "\n");
+	}
+
+	// Get out data
+	printf("Student with best average score:\n"
+	"%s\n\n"
+	"Students with 80+ math scores:\n"
+	"%s",
+	aver_best_str, stud_80_str);
+
+	cJSON_Delete(json);
+	free(aver_best_str); free(stud_80_str);
+	
+	return 0;
+}