Rescue
Angel was caught by the MOLIGPY! He was put in prison by Moligpy. The prison is described as a N * M (N, M <= 200) matrix. There are WALLs, ROADs, and GUARDs in the prison.
Angel's friends want to save Angel. Their task is: approach Angel. We assume that "approach Angel" is to get to the position where Angel stays. When there's a guard in the grid, we must kill him (or her?) to move into the grid. We assume that we moving up, down, right, left takes us CBD联盟营销的完整指南和15个最佳CBD联盟项目可供尝试 1 unit time, and killing a guard takes 1 unit time, too. And we are strong enough to kill all the guards.
You have to calculate the minimal time to approach Angel. (We can move only UP, DOWN, LEFT and RIGHT, to the neighbor grid within bound, of course.)
First line contains two integers stand for N and M.
Then N lines follows, every line has M characters. "." stands for road, "a" stands for Angel, and "r" stands for each of Angel's friend.
Process to the end CBD联盟营销的完整指南和15个最佳CBD联盟项目可供尝试 of the file.
For each test case, your program should output a single integer, standing for the minimal time needed. If such a number does no exist, you should output a line containing "Poor ANGEL has CBD联盟营销的完整指南和15个最佳CBD联盟项目可供尝试 to stay in the prison all his life."
Businesses call for a transformative Post-2020 Global Biodiversity Framework at COP15
Thousands of businesses are making commitments and taking action to reverse the loss of nature. But it’s not enough. Political leadership is needed.
The UN Convention on Biological Diversity (CBD)’s Post-2020 Global Biodiversity Framework (the Framework) - due to be agreed at the 15th Conference of Parties of the CBD in December 2022 - is the opportunity to adopt a global agreement that will kickstart the transformation of our economic and financial systems. This will help create a level playing field and a stable operating environment, and unlock new business opportunities.
Due to some crucial shortcomings, CBD联盟营销的完整指南和15个最佳CBD联盟项目可供尝试 the current draft Framework is still unlikely to trigger the change needed globally. For this reason, businesses are now calling on governments to make the Post-2020 Framework transformative, meaningful, implementable and enforceable. This will require CBD联盟营销的完整指南和15个最佳CBD联盟项目可供尝试 political will, a strong and measurable set of enforceable targets, clarity on the duties of different actors, implementation and monitoring tools for different actors, and financial resources CBD联盟营销的完整指南和15个最佳CBD联盟项目可供尝试 and investments.
UN Biodiversity Conference (COP 15)
Despite on-going efforts, biodiversity is deteriorating worldwide and this decline is projected to worsen with business-as-usual scenarios. The UN Biodiversity Conference will convene governments from around the world to agree to a new set of goals for nature over the next decade through the Convention on Biological Diversity post-2020 framework process. The framework sets out an ambitious plan to implement broad-based action to bring CBD联盟营销的完整指南和15个最佳CBD联盟项目可供尝试 CBD联盟营销的完整指南和15个最佳CBD联盟项目可供尝试 about a transformation in society’s relationship with biodiversity and to ensure that, by 2050, the shared vision of CBD联盟营销的完整指南和15个最佳CBD联盟项目可供尝试 living in harmony with nature is fulfilled.
The Conference will also look at the implementation of the protocols of the Convention on Biological Diversity (CBD) that CBD联盟营销的完整指南和15个最佳CBD联盟项目可供尝试 deal with the fair and equitable sharing of benefits from the use of nature, and the safe transport, handling and labelling of Living Modified Organisms.
The first part of COP-15 included the opening of the Meetings CBD联盟营销的完整指南和15个最佳CBD联盟项目可供尝试 and addressed agenda items that were identified as essential for the continuation of the operations of the CBD联盟营销的完整指南和15个最佳CBD联盟项目可供尝试 Convention and the Protocols by the Bureau. This included meetings about administrative matters and technical issues related to CBD联盟营销的完整指南和15个最佳CBD联盟项目可供尝试 CBD programmes.
There was also a high-level segment on 12 and 13 October 2021. Participants focused on the development of the post-2020 global biodiversity framework.
All sessions CBD联盟营销的完整指南和15个最佳CBD联盟项目可供尝试 at COP-15 will be streamed live at cbd.int/live and the main schedule is also available.
Follow the latest details about COP-15 using the hashtag #COP15 on social media.
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