修正了跨天计时在一些情况下不归零的bug

.gitignore

@@ -0,0 +1,3 @@
+.vscode/
+*.exe
+*.txt

selfMonitor.cpp

@@ -16,7 +16,9 @@ void saveData(){
     FILE *fp = fopen("save.txt", "w");
     if(fp!=NULL){
         time_t timeNow = time(0);
-        tm *curTime=localtime(&timeNow);
+        tm *curTime;
+        if(curTime->tm_hour<4) curTime = localtime(&timeNow-86400); 
+        else curTime = localtime(&timeNow);
         fprintf(fp, "%d %d %d %d", blackListTimeCount,curTime->tm_year,curTime->tm_mon,curTime->tm_mday);
         fclose(fp);
     }
@@ -44,7 +46,9 @@ int main(){
         int curYear,curMonth,curDay;
         fscanf(fp, "%d%d%d%d", &blackListTimeCount,&curYear,&curMonth,&curDay);
         time_t timeNow = time(0);
-        tm *curTime=localtime(&timeNow);
+        tm *curTime;
+        if(curTime->tm_hour<4) curTime = localtime(&timeNow-86400); 
+        else curTime = localtime(&timeNow);
         if(curTime->tm_year!=curYear||curTime->tm_mon!=curMonth||curTime->tm_mday!=curDay){
             blackListTimeCount = 0;
         }