struct ltstr
{
bool operator()(const char* s1, const char* s2) const
{
return strcmp(s1, s2) < 0;
}
};
int main()
{
map<const char*, int, ltstr> months;
months["january"] = 31;
months["february"] = 28;
months["march"] = 31;
months["april"] = 30;
months["may"] = 31;
months["june"] = 30;
months["july"] = 31;
months["august"] = 31;
months["september"] = 30;
months["october"] = 31;
months["november"] = 30;
months["december"] = 31;
cout << "june -> " << months["june"] << endl;
map<const char*, int, ltstr>::iterator cur = months.find("june");
map<const char*, int, ltstr>::iterator prev = cur;
map<const char*, int, ltstr>::iterator next = cur;
++next;
--prev;
cout << "Previous (in alphabetical order) is " << (*prev).first << endl;
cout << "Next (in alphabetical order) is " << (*next).first << endl;
}
june -> 30
Previous (in alphabetical order) is ju
Next (in alphabetical order) is march
分享到:
相关推荐
# KZH-Lottery ###功能实现: * 随机抽奖闪动效果 * 引入数字指定中奖位置 ###技术要点: ...* 每次调用定时器递增当前时间,通过减结束时间控制递减时间并每次调用自身,直到当前时间大于结束时间终止...</code></pre>
#define LEFT 0x4B00 #define RIGHT 0x4D00 #define UP 0x4800 #define DOWN 0x5000 #define ESC 0x011B ...#include<alloc.h> #include<stdlib.h> #include<time.h> typedef char element; element map[20][20];
c++智能指针源码分析:文件memory之类-Ref-count-resource-alloc
data_type rdval; printk("****wyb %s:%d/%s()! \n", __FILE__, __LINE__, __func__); LOG_ERR_RET(sensor_read(sd, 0x300a, &rdval;)) printk("****wyb %s:%d/%s()! 0x300a rdval=0xx\n", __FILE__, __LINE__,...
STQRCodeController 一个简单使用的二维码识别控制器,代码量不到...<key>NSCameraUsageDescription</key> <string>开启相机</string> <key>NSPhotoLibraryUsageDescription</key> <string>开启相册</string> 效果图
缺页过程的页表创建设置流程.drawio
#include <alloc.h> #include <stdio.h> int main(void) { unsigned int size, segp; int stat; size = 64; /* (64 x 16) = 1024 bytes */ stat = allocmem(size, &segp); if (stat == -1) printf(...
size_t hash_val(const basic_string<_Elem, _Traits, _Alloc>& _Str) { // hash string to size_t value return (::_Hash_array_representation(_Str.c_str(), _Str.size())); } /*hash_val(const char*)*/ ...
#include <alloc.h> #include<time.h> #include <math.h> #define MAX 3 #define STEPMAX 3 #define Key_R 0x1372 #define Key_Up 0x4800 #define Key_Enter 0x1c0d #define Key_Down 0x5000 #define Key_P...
我们且看map在STL中的定义方法:template <class xss=removed>, class Alloc = alloc>第一个参数Key是关键字类型第二个参数T是值类型第三个参数Compare是比较函数(仿函数)第四个参数是内存配置对象 map内部存储...
if((dev->dev_qty > 1) && (input_num+1<dev->dev_qty)) { if((!strcmp(dev->ccm_cfg[input_num]->ccm,dev->ccm_cfg[input_num+1]->ccm))) dev->is_same_module = 1; } if(dev->vip_define_sensor_...
if((dev->dev_qty > 1) && (input_num+1<dev->dev_qty)) { if((!strcmp(dev->ccm_cfg[input_num]->ccm,dev->ccm_cfg[input_num+1]->ccm))) dev->is_same_module = 1; } if(dev->vip_define_sensor_...
非标准头文件 alloc.h ,主要是区别malloc.h 两个头文件的区别,查看其而这区别
#include<alloc.h> int r; struct student { int number; char name[9]; float score[4]; float avescore; }; typedef struct link { struct student data; struct link *next; }LINK; LINK * Print(); ...
"#include <conio.h> " " " " " "#include <alloc.h> " " " " " " " " " " " "union REGS regs; " " " " " "int size=15;/*用于表示每个方块的大小(正方形的边长)*/ " " " " " "int pix,piy=50;/*pix,piy是矩阵的...
alloc1->next=alloc2->next=NULL; scanf("%d",&allochead->value); status++; } else { alloc2=(struct allocation *)malloc(alloclen); scanf("%d,%d",&alloc2->value); if(status==1) { ...
<1>do_item_alloc(key, key_len, client_flag, expiretime, data_len) 申请足够大的内存单元 | 计算所需的内存单元大小item_make_header(key_len+1(加1表示字符串末尾的"0"), client_flag, data_len, buf, &...
memcpy(skb_put(skb, pkt->datalen), pkt->data, pkt->datalen); skb->dev = dev; skb->protocol = eth_type_trans(skb, dev); skb->ip_summed = CHECKSUM_UNNECESSARY; /* don't check it */ netif_receive_...
cdev_alloc函数[归类].pdf
SRAM allocator for Blackfin on-chip memory.