Source: poj 2922 honeymoon hike
Http://acm.pku.edu.cn/JudgeOnline/problem? Id = 2922
ToJ 2344 honeymoon hike
Http://acm.tju.edu.cn/toj/showp.php? PID = 1, 2344
Solution Type: Binary Search + deep Priority Search
Question:
The height of each vertex in a graph is given. From the top left corner of the graph to the bottom right corner, the path with the minimum height difference between the h
POJ 2922 Honeymoon Hike (dfs/bfs+ dichotomy + enumeration interval)
http://poj.org/problem?id=2922
Test Instructions:
Give you a n*n grid and give the altitude of each point in the grid, and now you need to find a way from the upper left to the lower right corner, and this road at all points, the highest altitude-the lowest elevation difference is the smallest. The minimum value is output.
Analysis:
(The su
Canon and other high-definition SLR now more and more popular and more advanced technology, users in the use of the same time, there will inevitably be data loss, etc., today encountered a shooting wedding customers mistakenly operation will canon 80D machine in the MP4 format file all format lost, Later use of the various scanning software on the Internet to try their own recovery failed, the recovered fil
Let's give you a detailed analysis of the comparison between the Canon 600D camera and the Canon 550D camera.Analysis and sharing:Currently, Canon is available in two types: EOS 600D and 550D. The 600D is the subsequent model of 550D. 600D and 550D use the same 18 million pixel sensor, the same GIDIC 4 image processing engine, from Focus, viewfinder, shutter,
To the photographic enthusiasts to share a detailed analysis of Canon 5Ds and Canon 60D performance comparison.
Analytical sharing:
The brightest part of Canon 5DS is the sensor, and the EOS 5DS 50.6 million-pixel full frame sensor is a shock to everyone. What is the concept of 50 million pixel level? Before the pretty scenery of the medium-format CMOS
To the photographic enthusiasts for detailed analysis to share the Canon 100D camera performance and Canon 650D camera performance comparison.
Analytical sharing:
Canon 100D uses a 1.04 million-pixel 3-inch LCD touchscreen, which allows you to adjust the camera's parameters with a direct touch, which is comfortable to handle with a skin-slip h
To the photographic enthusiasts for detailed analysis to share the Canon g1x camera performance and Canon G15 camera performance comparison.
Contrast Analysis:
Canon G1X lens using 4 times times three optical zoom lens, equivalent 28-112mm, aperture range of f2.5-16, and the recent focus distance of 20 cm (wide angle end), 85 cm (long focal le
To the photographic enthusiasts to share a detailed analysis of Canon D30 performance and Canon 650D performance comparison.
Detailed sharing:
Canon D30 is equipped with a 3-inch 460,000-pixel Tft LCD screen, with a new LCD-screen Daylight mode, and can easily see the LCD screen even in a sunny outdoor.
and Cano
To the photographic enthusiasts for detailed analysis to share the performance of Canon g5x and Canon 7D performance comparison.
Contrast Analysis:
Canon G5 X has a 1-inch-bottom large high speed CMOS sensor, the effective pixel of about 20.2 million, can increase the sensitivity at the same time expand the dynamic range, the noise effectively
To the photographic enthusiasts to share a detailed analysis of Canon SX60 HS and Canon 60D performance comparison.
Compare and share:
Canon SX60 HS uses 1/2.3 inch CMOS sensor, with 65 times times optical zoom lens, the equivalent focal length of 21 to 1365mm, Aperture f/3.4-6.5, with optical stabilization function, with DIGIC 6 image processor. and
To the photographic enthusiasts for detailed analysis to share the Canon 700D camera performance and Canon 650D camera performance comparison.
Analytical sharing:
Canon 700D uses a 3-inch 1.04 million-pixel 3:2-aspect capacitance touch screen, which can operate the camera through the touch screen, including setting the shutter aperture, and can realize
To the photographic enthusiasts to share a detailed analysis of Canon IXUS140 performance and Canon 650D performance comparison.
Analytical sharing:
Canon IXUS140 is equipped with a 3-inch 460,000-pixel LCD screen, using a metal fuselage, the surface through the matte treatment, feel fine and can prevent the production of fingerprints. The fuselage size
For your photographic enthusiasts to share a detailed analysis of Canon SX240 HS camera and Canon 7D camera contrast.
Analytical sharing:
Canon SX240 HS is equipped with 20 times times optical zoom lens, with 25mm wide angle, can take 1080p video, support intelligent is optical image-stabilization function, effectively suppress the camera jitter blurred picture
Give the photographer a detailed analysis to share the performance comparison between Canon g1x Mark II and Canon 650D.
Analytical sharing:
Canon G1X Mark II uses a 3-inch 1.04 million-pixel touchscreen to support a 180-degree front flip and a 45-degree rollover, but cannot flip around.
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Let's give you a detailed analysis of the comparison between the Canon eos m camera and the Canon 7D camera.Analysis and sharing:Canon eos m in addition to the dedicated small lightweight EF-M lens, but also through the bayonet adapter EF-EOS M to transfer all EF lenses, the autofocus structure is equipped with Hybrid cmos af and touch panel for higher operability. It supports p full HD short film shoot
Let's give a detailed analysis of the performance comparison between the Canon 6D camera and the Canon 7D camera.Analysis and sharing:Canon 6D uses a 3.0 inch 1.04 million pixel rotary type ii tft LCD screen with a maximum horizontal angle of about 175 ° and a vertical downward angle of about 90 °, the maximum upward rotation angle is about 180 °, and the screen resolution is 720 × 480 pixel
I would like to share with you a detailed analysis of the comparison between canon and Canon 600D.Analysis and sharing:Canon Medical D is the latest entry-level SLR camera. Compared with the previous generation of Canon D, it has many performance improvements, but there are not many differences in final image output parameters, let's take a look at the differ
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Give the photographers a detailed analysis to share the performance of Canon 700D and Canon 60D cameras.
Analytical sharing:
Canon 700D employs approximately 18 million megapixel CMOS image sensors, sensor sizes are 22.3x14.9mm, paired with DIGIC 5 digital imaging processors, and hybrid CMOS AF hybrid autofocus systems are supported. and
To the photographic enthusiasts for detailed analysis to share the performance of Canon IXUS155 and Canon 650D performance comparison.
Analytical sharing:
Canon IXUS155 's important core operation is centered on the right side of the back, with Canon IXUS155 equipped with a 2.7-inch LCD display. On
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